Jimmy Hoffa three days, the FBI called off the dig. No human remains were found, and the case remains open. Jimmy Hoffa James Riddle Hoffa (February 14, 1913 – disappeared July 30, 1975) was an American labor union leader who served as the President of the International Brotherhood of Teamsters (IBT) union from 1957 until 1971. He vanished in late July 1975, at age 62. From an early age, Hoffa was a union activist and became an important regional figure with the IBT by his mid-20s. By 1952 he was national vice-president of the IBT, and was its general president between 1957
Robert Williams (trade union leader) from all his labour movement posts, Williams supported Ramsay MacDonald's National Labour Party split. Unable to find regular work, he committed suicide in 1936. Robert Williams (trade union leader) Robert Williams (1881 – 1 February 1936) was a British trade union organiser. He was born in Swansea, Wales, and began his working life as a coal trimmer at the docks. He became active in his union, the National Amalgamated Labourers' Union, at the age of 16 and eventually became its president. He also served as a Labour Party councillor in Swansea from 1910 to 1912. In 1912, Williams was elected