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