Beam died of cancer Thursday in the Orange County city of Corona, Calif., the university said.
Beam worked under coach John McKay at USC from 1972-75, spending the first two seasons as a part-time assistant and scout while teaching physical education at a high school. He was a full-time assistant in his final two seasons. The Trojans won national titles in 1972 and 1974 and played in three Rose Bowls.
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Beam helped organize the NFL's American Bowl in London (1987), Tokyo (1989) and Berlin (1990). He also served as a consultant to the NFL at 29 Super Bowls, including last year.
Beam began his coaching career at his alma mater, Whittier College, where he assisted coach Don Coryell. He played three sports at Whittier, including football, where he was coached by George Allen and then by Coryell, both future NFL coaches.
He is survived by wife Dorothy, son Donn, daughter Cathy Crofts and three grandchildren.
Services are Wednesday in Whittier.
Copyright 2012 by The Associated Press