Dart (Feb. 4 1893 - Nov. 22, 1988) was an Australian-born, South African physical anthropologist. In 1924, working with students in the Taung limestone South Africa, they discovered the first Australopithecus africanus
. Dubbed "missing link" at the time, skull is also known as the 'Taung child'
, and was only three years old at the time of death. More on Dart here