• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Born in Chicago, George Gaylord Simpson, probably the most influential paleontological thinker of the mid-20th century, was trained at Yale in vertebrate paleontology. In 1927 he took up a curatorial position in fossil mammals at the American Museum of Natural History, ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles