(1913–?1975) labor leader; born in Brazil, Ind. He became an organizer for the International Brotherhood of Teamsters (IBT) in 1934, rising rapidly through the union's ranks. He was elected IBT president in 1957 and gained notoriety for his aggressive tactics against all who opposed him, both inside and outside the labor movement. Target of a 1957 U.S. Senate investigation into union corruption, he was later convicted of jury tampering, fraud, and conspiracy, and sent to prison in 1967. His sentence was commuted in 1971, and he was rumored to be trying to regain power within the IBT when in 1975 he disappeared. Rumors as to how he died continued to surface but his body was never found.