Leon de Wolff 1948–2014 Source: Wikimedia Commons About Leon de Wolff Dutch journalist and media consultant and researcher (1948-2014) People from the Same Era Hans Günter Gassen 1938–2024 biochemist, non-fiction writer, university teacher Nieder-Weisel Jerzy Marian Gutowski b. 1954 entomologist, researcher Rybitwy, Kuyavian-Pomeranian Voivodeship Herlinde Koelbl b. 1939 documentarian, photographer Lindau Carole Peterson b. 1942 child and adolescent psychotherapist, psychologist Alejandro Bell Jara 1941–2013 economist, politician Santiago Antoni Slavinski b. 1946 engineer, politician, university teacher Sofia