William R. Hammer

From Wikipedia, the free encyclopedia
Jump to: navigation, search

William Roy Hammer is a professor at Augustana College in Rock Island, Illinois. He is credited with the discovery of the Cryolophosaurus in 1991.[1][2][3] He is originally from Detroit, Michigan.


  1. ^ Farlow, James Orville; Walters, Robert H. The Complete Dinosaur. Indiana University Press. p. 50. ISBN 978-0-253-21313-6. 
  2. ^ Debus, Allen G.. Dinosaur Memories: Dino-trekking for Beasts of Thunder, Fantastic Saurians, 'Paleo-people,' 'Dinosaurabilia,' and other 'Prehistoria'. Authors Choice Press. p. 492. ISBN 0-595-22988-3. 
  3. ^ Rubin, Jeff. Lonely Planet Antarctica (Lonely Planet Antarctica). Lonely Planet Publications. p. 247. ISBN 1-74059-094-5. 
  • Hammer, W.R., and Hickerson, W.J., 1994. A crested theropod dinosaur from Antarctica. Science 264:828-830.