Jan Christian Smuts (1870-1950) was a South African politician, military leader and philosopher. He served as prime minister of the Union of South Africa from 1919-1924 and 1939-1948.

John Dalton was a Fellow of the Royal Society of South Africa and was professor of mathematics at the University of Witwatersrand, Johannesburg until his retirement in 1946.

Robert Broom (1866-1951) was one of South Africa's most distinguished scientists, and discovered Paranthropus robustus, nicknamed 'Mrs Ples', with John Robinson in 1947.

John Frederick Vicars Phillips (1899-1987) was a pioneer botanist and ecologist, and the first to study fire ecology in Africa. From 1931 to 1948, he was Professor of Botany at the University of the Witwatersrand, Johannesburg. He subsequently became a consultant and advisor to the World Bank and United Nations.

Ian D MacCrone was head of the Psychology Department and subsequently served as Rector of the University of the Witwatersrand, Johannesburg. He was a prolific researcher and wrote the seminal work, Race attitudes in South Africa: Historical, experimental and psychological studies.

John Greig was a literary scholar, biographer and novelist. He served as the chair of the English Department at the University of the Witwatersrand, Johannesburg for several years since 1932.

Theodorus Johannes Haarhoff was a writer and lecturer in classical literature, serving as professor at the universities of Cape Town and the Witwatersrand, Johannesburg. Haarhoff was a committee member of the Voortrekker Youth Festival (1938) and served on the board of the South African Broadcasting Corporation during this time.

Cecil Sydney Richards was Professor of Economics at the University of the Witwatersrand, Johannesburg and was instrumental in establishing the Business School of the University of the Witwatersrand. He served as the Managing Editor of the Journal of the Economic Society of South Africa for almost 40 years.

Sally Herbert Frankel was head of the Economics department at the University of the Witwatersrand, Johannesburg, where he served as an advisor to Jan Hofmeyer and Jan Smuts amongst others. He was appointed Professor of Colonial Economic Affairs, and later the Economics of Underdeveloped Countries at Oxford University in the late 1940s.

Reinhold Frederick Alfred Hoernlé (1880-1943) was a philosopher and was professor at the University of the Witwatersrand, Johannesburg from 1920 to 1943. Hoernlé served as Chairman and as member of the Council of the South African Institute of Race Relations.

Saul Dubow is Smuts Professor of Commonwealth History and a Fellow of Magdalene College, Cambridge. He is Chair of the Board of the Journal of Southern African Studies.