| Maggie B. Lettvin | |
| Birth Date: | March 15, 1927 |
| Birth Place: | Philadelphia, PA |
| Occupation: | writer and promoter of health and exercise |
| Language: | English |
| Nationality: | American |
| Subject: | Health |
Margaret B. Lettvin is an American writer and promoter of exercise and health.[1] She was known in the Boston area in the 1970s for a PBS television show on WGBH-TV called Maggie and The Beautiful Machine,[2] and a book based on the show. After a serious car accident, she developed a set of exercises for back pain, which became Maggie's Back Book .
She is the widow of MIT Professor Emeritus Jerome Lettvin, with whom she served as houseparent of the MIT Bexley dorm.[3] They had three children: David, Ruth, and Jonathan.