Izaak Wurms was a son of Ruben Wurms and Clara Hamburg, and was born on 16 November 1914 in Amsterdam. He lived with his parents at Nieuwe Uilenburgerstraat 10, 1st floor. He became a bicycle boy, then he was a casual worker on the market and later he became an apprentice diamond worker and learned the trade at various teachers and factories through the ANDB, de Algemene Nederlandse Diamantbewerke…