Person ? Alfred Chester Beatty (junior)
- From 1940-01-01 to 1940-12-31, Administrateur of TREPCA MINES, LIMITE
- From 1940-01-01 to 1940-12-31, Vice-Président of ROAN ANTELOPE COPPER MINES LIMITED
- From 1945-01-01 to 1953-12-31, Vice-Président of ROAN ANTELOPE COPPER MINES LIMITED
- From 1948-01-01 to 1948-12-31, Administrateur of TREPCA MINES, LIMITE
- From 1953-01-01 to 1953-12-31, Président of TREPCA MINES, LIMITE