In 1982, Harvard awarded him the title of Alexander Agassiz Professor of Zoology. That same year, he received the Golden Plate Award of the American Academy of Achievement. In 1983, he was awarded a fellowship at the American Association for the Advancement of Science, where he later served as president (1999–2001). The AAAS news release cited his "numerous contributions to both scientific progress and the public understanding of science." He also served as president of the Paleontological Society (1985–1986) and of the Society for the Study of Evolution (1990–1991).