National Geographic : 1962 Dec
Inquisitive chimpanzee from the Washington, D. C., Zoo makes friends with Dr. Leonard Carmi chael, Chairman of the Society's Committee for Research and Explo ration, and British scientist Jane Goodall. With support from the So ciety, Miss Goodall studies Tangan yika chimpanzees in the wild. KODACHROMEBY B. ANTHONY STEWARTAND JOHN E. FLETCHER C N.G.S. To show how earliest man used stone tools, Dr. L. S. B. Leakey (left) disjoints a carcass at Olduvai Gorge, Tan ganyika, with a chopper he fashioned from stone. Arrangement of stones excavated in a gravel bed sug gests Olduvai men erected a shelter two million years ago. Mary Leakey shows the discovery to Dr. Thomas W. McKnew, Vice Chairman of the Society's Board of Trustees. For their 30 years of work in "revolutionizing knowledge of prehistory," the Leakeys were jointly awarded the Society's coveted Hubbard Medal.