Positions held
1954-1956: Curator of Paleontology Collections, National Museum, Bloemfontein, South Africa.1956-1964: Director of the South African Museum, Cape Town, South Africa;
Lecturer, University of Cape Town.
1964-1970: Professor of Biology and Geology, Yale University;
Director of the Peabody Museum of Natural History, Yale University.
1970-1982: Director of the Museum of Comparative Zoology, Harvard University.
1970-1985: Professor of Biology; Alexander Agassiz Professor of Zoology, Harvard University.
1985-2000: Fisher Professor of Natural History, Harvard University.
2000-2005: Fisher Research Professor of Natural History.
2005-Present: Fisher Professor of Natural History Emeritus.
1970-1982: Director of the Museum of Comparative Zoology, Harvard University.
1970-1985: Professor of Biology; Alexander Agassiz Professor of Zoology, Harvard University.
1985-2000: Fisher Professor of Natural History, Harvard University.
2000-2005: Fisher Research Professor of Natural History.
2005-Present: Fisher Professor of Natural History Emeritus.
Fellowships and Awards
Fellow, American Academy of Arts and Sciences
Fellow, American Association for the Advancement of Science
1976-1977: Guggenheim Fellow
1983-1984: Guggenheim Fellow
2012: Simpson/Romer Prize for Lifetime Achievement in Vertebrate Paleontology
Fellow, American Association for the Advancement of Science
1976-1977: Guggenheim Fellow
1983-1984: Guggenheim Fellow
2012: Simpson/Romer Prize for Lifetime Achievement in Vertebrate Paleontology