Person ^? W. Pickering

• From 1923-01-01 to 1933-12-31, Administrateur of DE BEERS CONSOLIDATED MINES
• From 1927-01-01 to 1933-12-31, Administrateur of PREMIER (TRANSVAAL) DIAMOND MINING COMPANY LTd
• From 1933-01-01 to 1933-12-31, Administrateur of NEW JAGERSFONTEIN MINING AND EXPLORATION COMPANY