
Claude W. Fuller graduated from Australia's Melbourne University. He worked as an entomologist in Australia but worked more extensively in South and Southern Africa.

Albert John Hesse (1895–1987) was a South African entomologist.

Henri-Alexandre Junod was a Swiss-born South African missionary, ethnographer, anthropologist, linguist and naturalist, stationed for much of his career at Shiluvane Mission Station outside Tzaneen in Limpopo Province. He received an early training in Protestant ministry at Neuchâtel, Basel and Berlin. He was one of the founding members of the Lemana Training College at Njhakanjhaka village near the Township of Waterval at Elim in 1906. Together with Reverend Creux of Valdezia Mission Station, he codified the language of the Tsonga people, which they called 'Thonga', but later renamed Xitsonga. Together with a group of Swiss Missionaries, such as Georges Liengme, he helped in the establishment of Elim Hospital in 1899.

Charles Pugsley Lounsbury was an American-born South African entomologist, widely regarded as having laid the foundations of economic entomology in Southern Africa.

Eugène Nielen Marais was a South African lawyer, naturalist, poet and writer. He has been hailed as an intellectual genius and an Afrikaner hero.

Louis Albert Péringuey MSc was a South African entomologist who specialised in Coleoptera and prehistory.

Sydney Harold Skaife ('Stacey') D.Sc FRSSAf. was an eminent South African entomologist and naturalist. His career and educational publications covered a wide field. Especially in his later years his main research interest was in social insects and the transitional phases in sociality, particularly in the Hymenoptera and Isoptera.

Cornelis Jacobus Swierstra was a Dutch-born South African entomologist. Swierstra studied entomology at the University of Amsterdam. He moved to South Africa in 1894, and was employed at Transvaal Museum from 1896. By 1909 he was assistant-director, and in 1921 he followed Herman Gottfried Breijer as director of the museum. In 1936 he was elected first president of the South African Museums Association.