Margaret B. Lettvin is an American writer and promoter of exercise and health. She was locally famous in the Boston, Massachusetts area in the 1970s for a television show called Maggie and The Beautiful Machine, and a book based on the show. After a serious, debilitating car accident, she developed a set of exercises for back pain, which became Maggie's Back Book (ISBN 0395251478).

She is the widow of MIT professor Jerry Lettvin

Jerome Lettvin

Jerome Ysroael Lettvin was a cognitive scientist and professor Emeritus of Electrical and Bioengineering and Communications Physiology at the Massachusetts Institute of Technology . He is best known as the author of the 1959 paper, "What the frog's eye tells the frog's brain", one of the most...

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