Franz Oppenheim

Franz Oppenheim (born 13 July 1852 in Charlottenburg; died 13 February 1929 in Cairo) was a German chemist and industrialist who mainly worked for the Agfa company (now Agfa-Gevaert). His father was German jurist Otto Georg Oppenheim and his mother was "Margarethe Mendelssohn" (1823–1890). His sisters were Else (1844–1868) and Enole Oppenheim (1855–1939). He lived with his family in Berlin-Wannsee.
Life.
Oppenheim went to school at Friedrich Wilhelm Gymnasium in Berlin. He studied chemistry in Heildelberg and since 1874 in Bonn. Oppenheim married Else Wollheim (1858–1904), with her he had four children: Rose, Martha, Franz Caesar and Kurt Oppenheim. After the death of his first spouse he married " Margarete Eisner" in 1907. 
In Cologne Oppenheim worked first for company Vorster & Grüneberg. Oppenheim worked since 1928 for German company Agfa in Berlin. 
Oppenheim was also an arts collector.