American labor union leader (born 1913; disappeared 1975; declared dead 1982)
James Riddle Hoffa (born February 14, 1913 – disappeared July 30, 1975, declared dead July 30, 1982) was an American labor union leader who served as the president of the International Brotherhood of Teamsters (IBT) from 1957 until 1971. He is notorious for his alleged ties to organized crime and for his disappearance under mysterious circumstances in 1975. From an early age, Hoffa was a union activist: he became an important regional figure with the IBT by his mid-20s. By 1952, he was the national vice-president of the IBT and between 1957 and 1971 he was its general president.
https://en.wikipedia.org/wiki/Jimmy_Hoffa