John Kimbrough was an outstanding football player at Texas A&M University. He was named to the All-America team in 1939 and 1940. He led the Aggies to a national championship in 1939 and took them within one victory of a repeat in 1940 when the Aggies shared the Southwest Conference title. He was voted the nation's outstanding athlete of 1940 by Philadelphia sportswriters. After graduation, he entered the military and served in World War II. Following the war, he played professional football for three seasons (1946-1948) with the Los Angeles Dons before retiring from the sport. Kimbrough was inducted into the National Football Hall of Fame in 1954 and the Texas Sports Hall of Fame in 1958.