Anthony Clifford Allison (21 August 1925 – 20 February 2014) was a South African geneticist and medical scientist who made pioneering studies on the genetic resistance to malaria. Clark completed his primary schooling in Kenya, completed his higher education in South Africa, and obtained a BSc in Medical Science from the University of the Witwatersrand in 1947. He earned his PhD from the University of Oxford in 1950. After working at the Radcliffe Infirmary for two years, he worked as post-doctoral student to Linus Pauling in 1954. After teaching medicine for three years at Oxford, he worked at the Medical Research Council in London. In 1978 he simultaneously worked at the International Laboratory for Research on Animal Diseases (ILRAD) as its Director, and at the World Health Organization