Jimmy Hoffa 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 and 1971. He secured the first national agreement for teamsters' rates in 1964 with the National Master Freight
Science and technology in the Soviet Union The Soviet Union detonated a hydrogen bomb in 1953, a mere ten months after the United States. Space exploration was also highly developed: in October 1957 the Soviet Union launched the first artificial satellite, Sputnik 1, into orbit; in April 1961 a Soviet cosmonaut, Yuri Gagarin, became the first man in space. The Soviets maintained a strong space program until economic problems led to cutbacks in the 1980s. Although the sciences were less rigorously censored than other fields such as art, there were several examples of suppression of ideas. In the most notorious, agronomist Trofim Lysenko refused to accept the