Career
Born on 10 October 1879 in Ruda Śląska, Wiechaczek was a Polish patriot, living in Upper Silesia, which then belonged to Germany. In 1913 he took part in a strike in the Pawel coal mine, for which he was fired. After 1918, Wiechaczek actively participated in pro-Polish movement in Silesia, and together with Józef Trojok, he was one of leaders of the First Silesian Uprising.
Wiechaczek was arrested by the Germans on 3 May 1940, and transported to the Dachau concentration camp, and later to Oranienburg where he died on 3 June 1941.