Josip Vrtovec 1899–1978 Source: Wikimedia Commons People from the Same Era Henri Gelissen 1895–1982 chemist, politician, university teacher Venlo Leon Barański 1895–1982 economist Chrzanów Martin Victor Kennedy 1895–1952 writer Rose Mackenberg 1892–1968 private investigator Brooklyn Frank Hale 1895–1944 flying ace Syracuse Piet Lieftinck 1902–1989 banker, economist, jurist, non-fiction writer, politician, university teacher Muiden