Sir Thomas Cullinan - (1862-1936)

He was born in the Eastern Cape, entered the building trade, and took part in the native wars during the eighteen seventies. He moved to the Eastern Transvaal where he was successful at his trade but soon entered the field of mining. In 1896 he founded a plant at Olifantsfontein for the production of brick and tiles. After taking part in the South African War, Cullinan secured the right to exploit the still unprospected property of Willem Prinsloo, on which in 1902 was discovered the Premier Diamond Mine, the world's largest diamond property. During his industrial career he was Chairman of the Premier Mine, Chairman and Director of the New Eland Diamonds Ltd., director of several gold mining companies and owner of the Consolidated Rand, Brick, Pottery & Lime Co, Ltd. In addition he was interested in farming and aforestaton and owned several farms.

Sir Thomas took a keen interest in politics, being an advocate of responsible government for the Transvaal and the Free State and representing Pretoria North in the first Transvaal parliament, He was a great advocate for Union and was elected for the same constituency to the first Union Parliament. In 1910 he was knighted for his services to the Diamond Fields. During the First World War he served as a major in the campaign against the Germans in S. W. Africa and was mentioned in despatches for gallantry in the field.