The Columbia Encyclopedia, Sixth Edition. 2001-07.
Leonard, Benny
18961947, American boxer, originally named Benjamin Leiner, b. New York City. Leonard, a master boxer and hard puncher, fought in 209 professional bouts, losing only 5. He was lightweight champion from 1917 until 1925, when he retired as undefeated champion. After a brief comeback in 193132, he became a boxing referee.