Before revision: Kenneth H. Cooper (born March 4, 1931, Oklahoma City) is a doctor of medicine and former Air Force Colonel from Oklahoma, who pioneered the benefits of doing aerobic exercise for maintaining and improving health.
After revision: Kenneth H. Cooper (born March 4, 1931, Oklahoma City) is a doctor of medicine and former Air Force lieutenant colonel from Oklahoma, who pioneered the benefits of doing aerobic exercise for maintaining and improving health.