Henry David Thoreau's Kalendar: Charts and Observations of Natural Phenomena

In the last years of his life, Henry David Thoreau created something new. Part blueprint for a major new work, part scientific chart, and part re-envisioning of the way we experience the passage of time, Thoreau’s Kalendar was more a tool than a text. Comprised of six multipage charts of “general phenomena,” the Kalendar was an instrument for recording not just natu...