Person ^? William Dewitt Waltmann

• From 1917-01-01 to 1917-12-31, Administrateur of FRANCO-WYOMING OIL COMPANY
• From 1933-01-01 to 1933-12-31, Vice-Président of FRANCO-WYOMING OIL COMPANY
• From 1940-01-01 to 1948-12-31, Vice-Président of FRANCO-WYOMING OIL COMPANY