“…As chairman of the Kalahari Research Committee, Tobias initiated a series of multidisciplinary expeditions to study the Kalahari San between the years (Tobias, 1966, 1972a, 1975a. These expeditions embraced physical anthropology, demography, and ecology, under the writer (1956, 195y7, 1961b, 1962, 1964) and Hertha de Villiers (1961, 1969a; human population genetics under Trefor Jenkins, George T. Nurse, and many collaborators in a series of field studies which continued well after the Kalah q i Research Committee ceased to operate in the 1970s (Jenkins, 1965(Jenkins, ,1968(Jenkins, ,1972Jenkins and Cleaton-Jones, 1966;Jenkins and Steinberg, 1966;Jenkins et al, 1968Jenkins et al, , 1970Jenkins et al, , 1971Jenkins et al, , 1975 Nurse, 1974, 1976; Jenkins, 1974, 1977a,b;Nurse et al, 1975); physiological adaptability, under Cyril Wyndham (Wyndham and Morrison, 1956, 1958;Ward et al, 1960; Wyndham et al, 1964a;Wyndham, 1965); psychological testing under Helmuth Reuning (1959) and Wendy Wortley (Reuning and Wortley, 1973); parasitology by Hans-Joachim Heinz (1961); and odontology under J.F. van Reenen (1961 and odontology under J.F.…”