Person ? Oppenheimer
- From 1917-01-01 to 1917-12-31, Administrateur of NEW JAGERSFONTEIN MINING AND EXPLORATION COMPANY
- From 1948-01-01 to 1948-12-31, Administrateur of SPRINGS MINES, LIMITED
- From 1948-01-01 to 1953-12-31, Administrateur of ANGLO-AMERICAN CORPORATION OF SOUTH AFRICA