Frank Fitch
Grout

UMN (Chemistry Tree)




Charles Emerson
Beecher

Yale (Systematics Tree)




Henry Fairfield
Osborn

American Museum of Natural History




George Gaylord
Simpson

University of Arizona


Henry Fairfield
Osborn

American Museum of Natural History


William King
Gregory

American Museum of Natural History


Edwin H.
Colbert

American Museum of Natural History



Robert T.
Bakker

Houston Museum of Natural Science
(Options)

Joseph E
Peterson

University of Wisconsin Oshkosh (Chemistry Tree)

Robert BakkerX