Person ? M. Hirsch
- From 1912-01-01 to 1923-12-31, Administrateur of COLOMBIA (Société Franco-Roumaine de Pétrole)
- From 1917-01-01 to 1927-12-31, Administrateur of OMNIUM INTERNATIONAL DE PÉTROLES
- From 1927-01-01 to 1927-12-31, Administrateur of PETROL-BLOCK