Rudolf
Leuckart

University of Leipzig


Charles Otis
Whitman

Chicago (Evolution Tree)




Libby Henrietta
Hyman

American Museum of Natural History






Henry Fairfield
Osborn

American Museum of Natural History (Evolution Tree)


Bashford
Dean

American Museum of Natural History (Evolution Tree)


William King
Gregory

American Museum of Natural History (Evolution Tree)


G. Kingsley
Noble

American Museum of Natural History






John B.
Watson

Johns Hopkins







Celia
Moore

U Mass Boston
(Options)

Celia MooreX