Simplify the following text for a Grade 9 native English-speaking person.
Original: Herman M. Hickman ( October 1 , 1911 - April 25 , 1958 ) was a Hall of Fame college football player for the University of Tennessee , and played for the NFL 's Brooklyn Dodgers .
Simplified: Herman M. Hickman ( October 1 , 1911 - April 25 , 1958 ) was a Hall of Fame college football player for the University of Tennessee and later a head football coach for Yale University . He played pro football for the NFL 's Brooklyn Dodgers .