Bonnie Prudden (January 29, 1914 – December 11, 2011) was an American physical fitness pioneer, expert rock climber and mountaineer. Her report to Eisenhower on the unfitness of American children as compared with their European counterparts led to the formation of the President's Council on Youth Fitness. Prudden authored 16 books on physical fitness and Myotherapy for all ages and abilities including two best sellers, How to Keep Slender and Fit After Thirty (1961) and Pain Erasure: The Bonnie Prudden Way (1980). She produced six exercise albums, hosted the first regular exercise spots on national television, had a syndicated television show, and wrote a column for Sports Illustrated. Schools, prisons, summer camps, factories, hospitals, clubs, YMCAs, universities, geriatric homes and fac