Adam Gierek (born 1938, Zwartberg), a Polish post-communism politician, and son of Edward Gierek
After his military service in Stryj, Galicia, Gierek went to Belgium in 1934, where he joined the Communist Party of Belgium while working in the coal mines of Waterschei.
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Gierek married Stanisława, née Jędrusik, and they had two sons, one of whom is MEP Adam Gierek.
Gierek had invested nearly 1 billion dollars into a project of developing a modern Massey Ferguson model of tractor at Ursus, however due to licensing problems, these tractors could not be sold in the West, and could not be sold in the East because they were too expensive.