Person ? C. Vieillot
- From 1933-01-01 to 1933-12-31, Administrateur of MINAS PEDRAZZINI (Minas Pedrazzini Gold et Silver Mining Company)
- From 1940-01-01 to 1945-12-31, Administrateur of MINAS PEDRAZZINI (Minas Pedrazzini Gold et Silver Mining Company)
- From 1948-01-01 to 1953-12-31, Président of MINAS PEDRAZZINI (Minas Pedrazzini Gold et Silver Mining Company)