Rosemary Sassoon is a handwriting consultant specialising in the educational and medical areas. Her background is in lettering and design, but her fieldwork and research into adult problems form the basis for this book. She lectures widely and is the author of several books.
Gunnlaugur SE Briem is a designer with a Ph.D from the Royal College of Art in London who divides his time between Britain and California. He has taken an active interest in the experimental teaching of italic handwriting in his native Iceland. He is on the advisory board of Visible Language and has designed several typefaces, including a new family for the Times newspaper.