Brunelleschi's Dome: How a Renaissance Genius Reinvented Architecture

Brunelleschi's Dome: How a Renaissance Genius Reinvented Architecture

by Ross King

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Product Details

ISBN-13: 9781620401934
Publisher: Bloomsbury USA
Publication date: 08/13/2013
Pages: 208
Sales rank: 56,686
Product dimensions: 5.80(w) x 8.10(h) x 0.57(d)

About the Author

Ross King is the highly praised author of Mad Enchantment, Leonardo and The Last Supper, Brunelleschi's Dome (the Book Sense Nonfiction Book of the Year in 2000), Michelangelo and the Pope's Ceiling, The Judgment of Paris, Machiavelli: Philosopher of Power, and two novels, Ex Libris and Domino. He lives outside Oxford in England.

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Chapter 1: A More Beautiful and Honourable Temple

On August 19, 1418, a competition was announced in Florence, where the city's magnificent new cathedral, Santa Maria del Fiore, had been under construction for more than a century:

Whoever desires to make any model or design for the vaulting of the main Dome of the Cathedral under construction by the Opera del Duomo-for armature, scaffold or other thing, or any lifting device pertaining to the construction and perfection of said cupola or vault-shall do so before the end of the month of September. If the model be used he shall be entitled to a payment of 200 gold Florins.

Two hundred florins was a good deal of money-more than a skilled craftsman could earn in two years of work-and so the competition attracted the attention of carpenters, masons, and cabinetmakers from all across Tuscany. They had six weeks to build their models, draw their designs, or simply make suggestions how the dome of the cathedral might be built. Their proposals were intended to solve a variety of problems, including how a temporary wooden support network could be constructed to hold the dome's masonry in place, and how sandstone and marble blocks each weighing several tons might be raised to its top. The Opera del Duomo-the office of works in charge of the cathedral-reassured all prospective competitors that their efforts would receive "a friendly and trustworthy audience."

Already at work on the building site, which sprawled through the heart of Florence, were scores of other craftsmen: carters, bricklayers, leadbeaters, even cooks and men whose job it was to sell wine to the workers on their lunch breaks. From the piazza surrounding the cathedral the men could be seen carting bags of sand and lime, or else clambering about on wooden scaffolds and wickerwork platforms that rose above the neighboring rooftops like a great, untidy bird's nest. Nearby, a forge for repairing their tools belched clouds of black smoke into the sky, and from dawn to dusk the air rang with the blows of the blacksmith's hammer and with the rumble of oxcarts and the shouting of orders.

Florence in the early 1400s still retained a rural aspect. Wheat fields, orchards, and vineyards could be found inside its walls, while flocks of sheep were driven bleating through the streets to the market near the Baptistery of San Giovanni. But the city also had a population of 50,000, roughly the same as London's, and the new cathedral was intended to reflect its importance as a large and powerful mercantile city. Florence had become one of the most prosperous cities in Europe. Much of its wealth came from the wool industry started by the Umiliati monks soon after their arrival in the city in 1239. Bales of English wool-the finest in the world-were brought from monasteries in the Cotswolds to be washed in the river Arno, combed, spun into yarn, woven on wooden looms, then dyed beautiful colors: vermilion, made from cinnabar gathered on the shores of the Red Sea, or a brilliant yellow procured from the crocuses growing in meadows near the hilltop town of San Gimignano. The result was the most expensive and most sought-after cloth in Europe.

Because of this prosperity, Florence had undergone a building boom during the 1300s the like of which had not been seen in Italy since the time of the ancient Romans. Quarries of golden-brown sandstone were opened inside the city walls; sand from the river Arno, dredged and filtered after every flood, was used in the making of mortar, and gravel was harvested from the riverbed to fill in the walls of the dozens of new buildings that had begun springing up all over the city. These included churches, monasteries, and private palaces, as well as monumental structures such as a new ring of defensive walls to protect the city from invaders. Standing 20 feet high and running five miles in circumference, these fortifications, not finished until 1340, took more than fifty years to build. An imposing new town hall, the Palazzo Vecchio, had also been constructed, complete with a bell tower that stood more than 300 feet high. Another impressive tower was the cathedral's 280-foot campanile, with its bas-reliefs and multicolored encrustations of marble. Designed by the painter Giotto, it had been completed in 1359, after more than two decades of work.

Yet by 1418 what was by far the grandest building project in Florence had still to be completed. A replacement for the ancient and dilapidated church of Santa Reparata, the new cathedral of Santa Maria del Fiore was intended to be one of the largest in Christendom. Entire forests had been requisitioned to provide timber for it, and huge slabs of marble were being transported along the Arno on flotillas of boats. From the outset its construction had as much to do with civic pride as religious faith: the cathedral was to be built, the Commune of Florence had stipulated, with the greatest lavishness and magnificence possible, and once completed it was to be "a more beautiful and honourable temple than any in any other part of Tuscany." But it was clear that the builders faced major obstacles, and the closer the cathedral came to completion, the more difficult their task would become.

The way forward should have been clear enough. For the past fifty years the south aisle of the unfinished cathedral had housed a thirty-foot-long scale model of the structure, in effect an artist's impression of what the cathedral should look like once finished. The problem was that the model included an enormous dome-a dome that, if built, would be the highest and widest vault ever raised. And for fifty years it had been obvious that no one in Florence-or anywhere in Italy, for that matter-had any clear idea how to construct it. The unbuilt dome of Santa Maria del Fiore had therefore become the greatest architectural puzzle of the age. Many experts considered its erection an impossible feat. Even the original planners of the dome had been unable to advise how their project might be completed: they merely expressed a touching faith that at some point in the future God might provide a solution, and architects with a more advanced knowledge would be found.

The foundation stone for the new cathedral had been laid in 1296. The designer and original architect was a master mason named Arnolfo di Cambio, the builder of both the Palazzo Vecchio and the city's massive new fortifications. Although Arnolfo died soon after construction began, the masons forged on, and over the next few decades a whole section of Florence was razed to make way for the new building. Santa Reparata and another ancient church, San Michele Visdomini, were both demolished, and the inhabitants of the surrounding district were displaced from their homes. Not only the living were evicted: in order to open a piazza in front of the church, the bones of long-dead Florentines were exhumed from their graves surrounding the Baptistery of San Giovanni, which stood a few feet to the west of the building site. In 1339 one of the streets south of the cathedral, the Corso degli Adamari (now the Via dei Calzaiuoli) was
lowered so that the cathedral's height should appear even more impressive to anyone approaching from that direction.

But as Santa Maria del Fiore grew steadily larger, Florence was shrinking. In the autumn of 1347 the Genoese fleet returned to Italy, carrying in its holds not only spices from India but also the Asian black rat, carrier of the Black Death. As much as four-fifths of the population of Florence were to die over the next twelve months, so depopulating the city that Tartar and Circassian slaves were imported to ease the labor shortages. As late as 1355, therefore, nothing existed of the cathedral except for the facade and the walls of the nave. The interior of the church lay open to the elements, like a ruin, and the foundations for the unbuilt east end had been exposed for so long that one of the streets east of the cathedral was known as Lungo di Fondamenti, or "Along the Foundations."

Over the next decade, however, as the city gradually recovered, work on the cathedral accelerated, and by 1366 the nave had been vaulted and the east end of the church, which included the dome, was ready to be planned. Arnolfo di Cambio had undoubtedly envisioned a dome for the church, but there is no surviving evidence of his original design: sometime in the fourteenth century his model of the cathedral collapsed under its own weight-an ominous sign-and was subsequently lost or demolished. But excavations during the 1970s uncovered the foundations for a dome that was intended to have a span of 62 braccia, or 119 feet (a Florentine braccia being 23 inches, roughly the length of a man's arm).1 With this diameter the cupola of Santa Maria del Fiore would have exceeded by some 12 feet the span of the dome of the world's most spectacular church, Santa Sophia in Constantinople, which had been built 900 years earlier by the emperor Justinian.

Since the 1330s responsibility for building and funding the cathedral had been in the hands of Florence's largest, wealthiest and most powerful guild, the Wool Merchants, who administered the Opera del Duomo. None of the wardens running the Opera knew the first thing about building churches: their business was wool, not architecture. It therefore fell to them to appoint someone who did understand the craft, an architect-in-chief, or capomaestro, who would create the models and designs for the cathedral and also deal with the masons and other builders involved in the actual construction. In 1366, as planning reached its crucial stage, the capomaestro of Santa Maria del Fiore was a man named Giovanni di Lapo Ghini. At the request of the Opera, Giovanni began building a model for the cathedral's dome. But the wardens also ordered a second model from a group of artists and masons led by another master mason, Neri di Fioravanti.2 The fate of Santa Maria del Fiore was about to undergo a radical change.

Competition between architects was an old and honored custom. Patrons had been making architects compete against one another for their commissions since at least 448 b.c., when the Council of Athens held a public competition for the war memorial it planned to build on the Acropolis. Under these circumstances, it was normal practice for architects to produce models as a means of convincing patrons or panels of judges of the virtues of their particular designs. Made from wood, stone, brick, or even clay or wax, such models allowed the patrons to visualize the dimensions and decorations of the end product much more easily than would a diagram executed on parchment. They were often large and highly detailed-so large, in fact, that in many cases patrons could walk inside to inspect the interior. The brick-and-plaster model for San Petronio in Bologna, for example, built in 1390, was 59 feet long and, therefore, a good deal larger than most houses.

Giovanni di Lapo Ghini set about building a model that was fairly traditional in style. He planned a typically Gothic structure with thin walls, tall windows, and, to support the dome, external buttresses of the sort adorning so many of the churches built in France during the previous century. Buttresses were one of the prime structural features of Gothic architecture: by accommodating the thrust of the vaults transferred to them from strategic points, they allowed for walls pierced by a multitude of windows to rise to spectacular heights, filling the church with heavenly light-the aspiration of all Gothic builders.

Neri di Fioravanti and his group rejected the external supports proposed by Giovanni di Lapo Ghini, however, and offered a different approach to the structure of the dome. Flying buttresses were rare in Italy, where architects regarded them as ugly and awkward makeshifts.3 But Neri's reasons for rejecting them were probably political as much as aesthetic or structural, in that they smacked of the architecture of Florence's traditional enemies: Germany, France, and Milan. How the German barbarians, the Goths, had covered Europe with their clumsy and disproportionate edifices would later become a popular theme with writers of the Italian Renaissance.

But if no flying buttresses were to be built, how was the dome to be supported? Neri di Fioravanti, the principal master mason in Florence, had extensive experience in vaulting, the most dangerous and difficult architectural maneuver. He was the man responsible for erecting the enormous 60-foot-wide vaults over the great hall of the Bargello as well as the arches of the new Ponte Vecchio after the old bridge was swept away by a flood in 1333. But his plan for the dome of Santa Maria del Fiore was far more ambitious and largely untested: he believed the dome could be prevented from buckling under its own weight not by means of external buttresses but by the incorporation of a series of stone or wooden chains that would run round the circumference, encircling the dome at the points of possible rupture in the same way that an iron hoop contains the staves of a barrel. All of the lines of stress would therefore be absorbed by the structure itself without being channeled to the ground by means of external buttresses. Unlike buttresses, moreover, these circumferential rings, buried in the dome's masonry, would be invisible. And it was this vision of a massive dome that seemed to rise heavenward without any visible means of support that for the next half century would both inspire and frustrate everyone involved with the project.

The wardens in the Opera del Duomo did not decide between the two models without a good deal of debate. At first Neri and his group seemed to win the day, but Giovanni succeeded in raising questions about the stability of their design. His doubts illustrate a fear that haunted architects in the Middle Ages. Today a patron who hires an engineer takes it for granted that the end product will stand, even through earthquakes and hurricanes. But in the Middle Ages and the Renaissance, before the science of statics was developed, a patron enjoyed no such assurance, and it was not uncommon for buildings to fall down soon after completion, or even during the building process itself. The bell towers in both Pisa and Bologna began to lean while still under construction because of subsidence in the underlying soil, while the vaults in the cathedrals at both Beauvais and Troyes collapsed a relatively short time after being raised. The superstitious attributed these failures to supernatural causes, but to the more knowledgeable the real culprits were the architects and builders who had made fundamental (though imperfectly understood) errors in design.

In the end Giovanni's concerns led the wardens to stipulate that, although Neri's model would be adopted, the pillars that supported the dome should be enlarged. But enlarging the pillars would create perhaps even greater problems. Their dimensions were directly related to those of the octagonal tribune, whose perimeter they would form. The foundations for an octagon of 62 braccia had already been begun: would this groundwork have to be undone? Even more serious, the diameter of the tribune could not be enlarged without a corresponding increase in the span of the cupola. Was it possible to build a dome with a span even larger than 62 braccia, still without the use of any visible supports?

These questions were addressed at the meeting in August 1367, in which the wardens opted for a dome that would be 10 braccia wider than the one previously planned. Three months later, in keeping with Florentine democracy-and also, perhaps, with a desire on the part of the wardens to spread the responsibility as widely as possible-the plan was endorsed by a referendum of Florence's citizens.

The decision to adopt Neri di Fioravanti's design represents a remarkable leap of faith. No dome approaching this span had been built since antiquity, and with a mean diameter of 143 feet and 6 inches it would exceed that of even the Roman Pantheon, which for over a thousand years had been the world's largest dome by far. And the cupola of Santa Maria del Fiore would not only be the widest vault ever built: it would also be the highest. The walls of the cathedral were already 140 feet high, above which a tambour (or drum) on which the dome was to rest would rise another 30 feet. The purpose of this tambour was to elevate the dome-to serve, in effect, as a pedestal, raising the dome even higher above the city.4 Vaulting for the cupola would therefore begin at an incredible height of 170 feet, much higher than any of the Gothic vaults built in France during the thirteenth century. Indeed, the highest Gothic vault ever constructed, in the Cathedral of Saint-Pierre at Beauvais, began at just under 126 feet and rose to a maximum height of 157 feet, still a good 13 feet below where the vaulting for the dome of Santa Maria del Fiore was to begin. And the choir at Beauvais spanned only 51 feet, in contrast to the 143 feet proposed for the cupola in Florence. The fact that the main vaults of the choir in Saint-Pierre had collapsed in 1284, little more than a decade after completion, cannot have eased the minds of the skeptics, especially since the architects at Beauvais had made use of both iron tie rods and flying buttresses, the expedients so boldly rejected by the committee of artists and masons.
Despite all the challenges it presented, Neri di Fioravanti's model set the basic form for the dome of Santa Maria del Fiore as it would ultimately be constructed. Intriguingly, it was to consist of not one but two domes, with one shell fitting inside the other. This type of structure was rare, though not unique, in western Europe.5 Developed during the medieval period in Persia, it had become a characteristic feature of Islamic mosques and mausoleums. In such structures a tall outer shell was intended to give impressive height to the building, while the shallower inner one-which partially supported the outer dome-was more suited to the interior proportions. The outer dome also shielded the inner one from the elements, serving as a weathering skin.

Besides the double shell, the other special feature of Neri's dome was its particular shape. Unlike most previous cupolas, including the Pantheon, that of Santa Maria del Fiore was to be pointed rather than hemispheric in profile. That is, instead of describing a semicircle, its sides would curve up toward a point in the same way that Gothic arches do. This shape was known as a quinto acuto, "pointed fifth." In technical terms the dome was to be an octagonal cloister-vault composed of four interpenetrating barrel vaults. This complex structure was to create unforeseen problems for the men who began to build it fifty years later, and its construction would call for ingenious solutions.

Neri's model of the dome became an object of veneration in Florence. Standing 15 feet high and 30 feet long, it was displayed like a reliquary or shrine in one of the side aisles of the growing cathedral. Every year the cathedral's architects and wardens were obliged to place their hands on a copy of the Bible and swear an oath that they would build the church exactly as the model portrayed. Many aspiring carpenters and masons must also have walked past it on their way in and out of the cathedral, contemplating the problems of the dome's construction and dreaming of their solution. Thus when the competition to solve these difficulties was announced in the summer of 1418, more than a dozen models were submitted to the Opera by various hopefuls, some by craftsmen from as far away as Pisa and Siena.

However, of the many plans submitted, only one-a model that offered a magnificently daring and unorthodox solution to the problem of vaulting such a large space-appeared to show much promise. This model, made of brick, was built not by a carpenter or mason but by a man who would make it his life's work to solve the puzzles of the dome's construction: a goldsmith and clockmaker named Filippo Brunelleschi.


—From Brunelleschi's Dome, How a Renaissance Genius Reinvented Architecture, by Ross King. (c) 2000 , Ross King used by permission.

Table of Contents

List of Illustrations
Acknowledgments
1: A More Beautiful and Honourable Temple
2: The Goldsmith of San Giovanni
3: The Treasure Hunters
4: An Ass and a Babbler
5: The Rivals
6: Men without Name or Family
7: Some Unheard-of Machine
8: The Chain of Stone
9: The Tale of the Fat Carpenter
10: The Pointed Fifth
11: Bricks and Mortar
12: Circle by Circle
13: The Monster of the Arno
14: Debacle at Lucca
15: From Bad to Worse
16 Consecration
17: The Lantern
18: Ingenii Viri Philippi Brunelleschi
19: The Nest of Delights
Notes
Select Bibliography
Index

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The people of Florence believed in miracles during the Middle Ages. After all, the patron saint of their cathedral, a priest named Zenobius, was said to have raised from the dead a boy struck down in the street by a cart. And in one of their churches, Santissima Annunziata, a fresco had been painted (so it was said) by an angel sent from heaven. By the 14th century, however, this faith in divine intervention was about to be tested, because in 1367 a plan arose to build the highest and widest dome the world had ever seen -- a plan whose execution its architects left to future generations, trusting that God would provide the necessary technical know-how.

A kind of "dome envy" prevailed in medieval Italy. Domes were to the Italians during the Middle Ages what spires were to the English at about the same time: an architectural expression of civic and ecclesiastical pride. As such they became the favored kind of architectural one-upmanship, with each city or commune striving to build a bigger dome than its neighbor.

By the end of the 13th century, Florence's neighbors in Pisa and Siena both boasted domed cathedrals, and so it was important for civic pride that Florence should have one as well. Accordingly, in 1296 the Commune decreed that the city should have "a more beautiful and honorable temple than any other church in Tuscany" -- and it seems clear that they also wanted a bigger one to befit their status as a powerful mercantile city. The Florentines would ultimately get what they desired, though not without an incredible struggle that lasted for 150 years. The dome of Santa Maria del Fiore was not only larger than all other domes in Tuscany: It became the highest and widest in the world, its mean diameter exceeding by a small margin even that of the Roman Pantheon, which for more than 1,000 years had been by far the world's largest dome.

The Florentines who designed the dome acted out of faith, because in 1367, when its dimensions were set, the technical knowledge needed to build such a vast structure simply did not exist. When work on the dome began in 1420 the science of statics (or "how buildings stand up") had not advanced much beyond where Archimedes left it 1,600 years earlier. Understanding of the forces of nature -- of the stresses and strains that would be put on a building -- was still very elementary. Therefore, when he began building the dome, Filippo Brunelleschi -- a goldsmith who had never worked on a building remotely as large -- could have had no reliable knowledge of the strength of materials he would be using. He had no way of knowing, for example, exactly how much force one of his blocks of sandstone would be able to resist without disintegrating, or how thick he needed to cast the rods in the iron chain to make them withstand the horizontal tension that would develop at the base as the dome rose upwards and inwards. He did not even know the intensity or exact place of this tension. He possessed, in short, no predictive capability whatsoever, which meant he had no idea whether or not his design would actually work -- whether it would stand up or else fail completely. Both Brunelleschi and the city fathers of Florence were taking an enormous risk in proceeding. To fail would mean not only a huge loss of money (and possibly of life) but also a catastrophic loss of face before the neighbors that the Florentines had been so determined to outshine.

Because of his astonishing success in raising the dome, Filippo Brunelleschi was seen by his contemporaries as a godlike figure. One of his early biographers, Giorgio Vasari, even goes so far as to claim that Brunelleschi was sent from heaven, rather like the fresco-painting angel in Santissima Annunziata. Architects and engineers no longer see him as a god, of course. But his tremendous feat in controlling the forces of nature to create one of the world's most spectacular and enduring monuments -- a feat whose technical complexities are just now beginning to be understood and appreciated -- places him at the summit of the pantheon of architectural and mechanical geniuses.

--Ross King

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Brunelleschi's Dome: How a Renaissance Genius Reinvented Architecture 3.8 out of 5 based on 0 ratings. 30 reviews.
Guest More than 1 year ago
If you love history or art history or Italy or a well written book, then you will love this book. A great tale of a 15th century Italy-- this book takes you back in time and gives you an appreciation for the unbelievable feat that was the building of this gorgeous dome. Caution: This book will make you want to go to Florence immediately!
Guest More than 1 year ago
This is an enjoyable read especially for those who know Florence and have climbed through the dome. The author appears to have done his research and sticks to facts. He does not simply create fiction to fill in gaps. Unlike so many books on the Italian Renaissance that are highly academic and laborsome to plough through, this reaches out to a wide audience - basically anyone who has an interest in Florence, the Renaissance, civil engineering, architecture ....
jasmyn9 on LibraryThing 25 days ago
In interesting look at the Renaissance architect Filippo Brunelleschi. A man who was known for his temper, holding grudges, and his wonderful and imaginative designs not only in architecture but ways to make the building of them easier. It was interesting to read how designs were selected and plans carried out "way back then". I can't fully comprehend how anything ever got done. The storyline tended to meaner a bit, which through me off a bit and made it a bit more difficult to follow.
Smiley on LibraryThing 25 days ago
Excellent, with a few reservations. First, King has the annoying habit of referring to principals by their first names. A little too casual, even for a work directed toward the interested reader. Second, there are places where King deviates, not without interest, seemingly to provide filler for a slim 167 pages. The episode on Toscanelli comes to mind. As usual the subtitle is overblown. Brunelleschi did not reinvent architeture but raised it intellectually and socially.
FlossieT on LibraryThing 26 days ago
What an incredible story. Possibly if I were an architect I might have felt talked down to, but as it was, it was an excellent explanation of the structural stuff. And a plot you just couldn't make up...
olgalijo on LibraryThing 3 months ago
It's been two years now since I've been to Florence, and did the touristy thing by climbing Santa Maria del Fiore's dome. There were a lot of questions that came to my mind as I climbed those unending steps encased between two bent stone and brick walls. "Bunelleschi's Dome" has answered most of them. Not only that, but Ross King makes a very technical subject fun and enjoyable by inserting pieces about Brunelleschi's life, and life in Florence at the time.And then, towards the end, King makes a description of that very ascent for the benefit of those who haven't had the luck to do it. Pretty soon I was feeling that I was back climbing those steps and wondering about the windows in the cupola and all those doors that seemed to go nowhere.If you have any interest at all in Renaissance architecture, "Brunelleschi's Dome" is the book for you.
NielsenGW on LibraryThing 3 months ago
Ross King's biography of Filippo Brunelleschi and the building of the dome on the Santa Maria del Fiore was fun and interesting. It's a short book, but packed nonetheless. It was veyr enlightening to see that Renaissance architects had to design and build not only the edifices, but also the mechanisms that helped to accomplish the task. You'd be hard pressed to see someone today like that.
mcalister on LibraryThing 3 months ago
Having read some truly awful popular histories over the past few years, I wasn't sure what to expect from this book. It was certainly better than I expected. King writes fluidly and engagingly, and happily not watered down to to a seventh grade reading level. Although not much is known historically about Brunelleschi, I came away from the book both with a sense of what an inventive mind he must have had, and how very different Italy was from Northern Europe in the 15th century. My sole complaint is that he neglected to explain many (even most) of the technical terms he uses, which is perhaps fine in an academic treatise but not excusable in a popular history. A glossary of terms could have gone a long way here, as would have more drawings and diagrams to illustrate the building details that at times were incomprehensible to someone without an engineering background. At other times he discusses some of Brunelleschi's innovations without fully explaining why or how they work. A good example of this would be the sandstone "chains" built into the dome; that they mitigate certain forces was clear, but he failed to elaborate how. At times it made me wonder if he himself understood the points he was making, or if he rather was just repackaging the technical bits he read elsewhere.
pescatello on LibraryThing 3 months ago
Really interesting story. If you're going to Florence, definitely read this book before going as it gives you a good bit of history without being boring.
Docbliss on LibraryThing 3 months ago
Excellent! This book really dropped me into the era and i found out alot about architecture that I never thought would interest me. I never would have picked this up if i had not read King's book on Michelangelo and enjoyed that so much.
nicole_a_davis on LibraryThing 3 months ago
Really fascinating and very easy to read. I got through it so quickly, I wished it was a bit more detailed. Getting to climb the dome of the Duomo in Florence right after I finished reading about its construction was a real treat, too.
TiffanyAK on LibraryThing 3 months ago
A truly fascinating account of the daring construction of the dome of the cathedral of Santa Maria del Fiore in Florence. Remaining to this day a marvel of architectural achievement, built without central support and in a size surpassing any other brick and mortar dome construction ever accomplished, in many ways it shouldn't have been possible. The genius of Brunelleschi in not only designing and overseeing the construction of the dome, but also constructing many new machines to aid in the construction, cannot be overstated. The perfection with which the dome was constructed is startling, as is the fact that in the decades he was in charge of the project, only one worker died in an on-site accident, a safety record virtually unheard of at that time in history. Though it can be a bit dry at times if you don't have a strong interest in architecture, it still remains a very good read if you have an interest in great historical achievements.
jcbrunner on LibraryThing 5 months ago
Brunelleschi was a genius engineer and tinkerer, and also an architect. The most interesting part of the book are the machines and tools (cranes and lifts) Brunelleschi invented to complete the dome. What distinguishes him from his contemporary competitors was a thorough understanding of statics.The author's account of Brunelleschi would have made an excellent New Yorker article, but it is short on material for a book. This has too unfortunate consequences: First, Penguin has chosen an uncommon paperback format with overstretched lines which cause eye strain. Secondly, the author constantly strays from the main story to add to the page count. A better solution would have been not to focus solely on the dome but the whole building, the Basilica di Santa Maria del Fiore. Then, he could have added Giotto's bell tower and extended the creation of the magnificent doors by Ghiberti. The book also suffers from a large number of errors an educated editor should have corrected, eg "[Brunelleschi] should have the honor of being entombed inside the cathedral itself, rather like a pharaoh buried inside a pyramid he had spent his lifetime constructing" (p.155). Actually, it is the pyramid's purpose to serve as the pharaoh's tomb. In an ironic twist to King's wrong idea, the Egyptian architects were buried within pyramids not as a token of honor but as preventive security. Can I trust the author's statements if his text is littered with small mistakes? Overall, I was quite disappointed. Still recommended as a quick read (if you can get it in a less eye tiring format).
miketroll on LibraryThing 5 months ago
Riveting account of the design and construction of the dome of the great cathedral of Santa Maria del Fiore (Duomo) in Florence - a "must see" building.
thierry on LibraryThing 5 months ago
Wholly enjoyable telling of the genius, toil and politicking goings-on during the construction of the dome atop the Santa Maria del Fiore cathedral in XV century Florence. Well brought to life, clear in its explanation of the underlying physics, architecture and mechanics. Did benefit from a great cast of characters and an amazing project. Would have benefited from better pictures and more drawings. Rented PBS's The Medicis as a companion, and want to visit Florence as a result.
DonSiano on LibraryThing 5 months ago
This is a tale of Renaissance engineering and organization with a nice healthy dose of intrigue, competition, and betrayal, and with tales of eccentricity and practical jokes thrown in for good measure. It is an engrossing read, with lots of diversions and asides about the pranks of men in their prime. On the whole it is clearly and cleverly written, and is, as they say, hard to put down. I only wish his explanation of some of the details of the construction had been accompanied by a few more diagrams--occasionally they were a little obscure. But no big deal, I don't intend to construct a dome--I was hugely entertained anyhow.The people and their society are all brought to life in an engaging way and the interaction of the guilds, artists and patrons are seen to be only little changed in how such projects are sometimes brought together today. The biggest difference may be in their absence of safety committees, OSHA, quality circles, ISO 9001, six sigmas, and other such impediments to achievement.The dome itself was and is a staggering achievement in planning and execution, and would today, no doubt, engage more than a few computers and engineers for a couple of years before even a brick were laid. How it was brought about by Brunelleschi in a time even before Newton, courses in statics and strength of materials, finite element analysis and all the rest, is a wonder to behold. Giants with hearts of steel stalked the earth then.
pzmiller on LibraryThing 5 months ago
Interesting story of the building of this famous dome in Florence and the engineering marvel that it still is today.
Doondeck on LibraryThing 5 months ago
Entertaining history of this "Renaissance Genius" known for his both his mechanical and architectural skills.
phooky on LibraryThing 5 months ago
I'll admit I was really looking for the technical details when I picked this up. There's just enough engineering geekery to keep me from being entirely unsatisfied, but it's cluttered with ridiculous conjectural drama. It's a slight book, too; I probably would have been better served by this book's bibliography than its text.
Anonymous More than 1 year ago
Great Read
Anonymous More than 1 year ago
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GuysGrandma More than 1 year ago
Reads like a novel - highly recommend.
JGolomb More than 1 year ago
Terrific Read: Brunelleschi, his dome and Renaissance Florence I'm no engineer and I only vaguely understand the basic tenets of architecture. But I'm a great admirer of history and have tremendous appreciation for the significance of milestone art and architecture. So in advance of an upcoming trip to Florence, I picked up Ross King's "Brunelleschi's Dome", assuming that King would do as good a job with this seminal Renaissance creation as he did with Michelangelo's Sistine Chapel in "Michelangelo & The Pope's Ceiling". The book is thorough and enjoyable and scores its highest marks on fleshing out the personality of Filippo Brunelleschi and connecting the building's construction to the greater context of the burgeoning Renaissance. The Dome, of course, refers the famed Santa Maria del Fiore in the heart of Florence, Italy. The book is fascinating in it's detail of the monumental effort that went into creating such an enormous structure. Filippo Brunelleschi was a goldsmith and clockmaker, and by the time he was given the commission to build the Dome, he'd had very little experience in large-scale construction (and this was one of the most large-scale ever conceived at the time). Work on the dome began after Brunelleschi won one of the ubiquitous Florentine architectural/design contests, and 50 years after construction on the rest of the church began. King writes, "even the original planners of the dome had been unable to advise how their project might be completed: they merely expressed a touching father that at some point in the future God might provide a solution, and architects with a more advanced knowledge would be found." The core problem Brunelleschi faced was the sheer scope of what the leaders of Florence were asking for. Specifically, King writes, "An architect must design a structure that will counteract (push and pull) pressures...a game of action and reaction-- and channeling them safely to the ground." This had been traditionally handled through the use of flying buttresses, which can be seen throughout gothic architecture in Europe, but the Florentine leaders had previously accepted a design with no external buttresses. After losing the "da uomo a uomo" battle of the bronze doors to Lorenzo Ghiberti, the intense Brunelleschi spent a few years traveling, including significant time in Rome. It's documented that he extensively explored the ancient Roman ruins, none of which would have been in the clean and, sometimes, rebuilt state that they are today. He undoubtedly visited the one monument, which is in, in fact, a comparable state to when it was originally built almost two thousand years ago: the Pantheon. The largest dome in the world clearly was built to handle the 'push and pull' pressures and Brunelleschi was sure to translate his learnings into his efforts back home in Florence. I had some trouble conceptualizing some of the more nuanced engineering hurdles that Brunelleschi overcame. King incorporates drawings and images and writes very plainly, but I think my architectural and construction vocabulary is simply too small. Throughout the long and protracted construction of the Duomo, Brunelleschi battled against supply issues, war-related interference (he was also Florence's Military Engineer), logistical concerns, as well as internecine battles from within the Florentine artistic and engineering community. In creating numerous novel mechanisms to aid in his construction, Brunelleschi clearly gained the trust and financial assurances from the Florentine leaders and was able to knock down just about every obstacle thrown his way. This read was a worthwhile investment ahead of my trip to Florence. At only 150 pages, this is the perfect introduction to a surprisingly complex set of problems faced at the forefront of the European Renaissance. While a terrific primer on the specifics of the Duomo, the books' even greater value is it's explorations, however shallow, into the culture and context of the time in which it was built.
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