Charles C.
Adams

New York State Museum


Alexander G.
Ruthven

University of Michigan


Norman E.
Hartweg

University of Michigan


Charles C.
Adams

New York State Museum


Alexander G.
Ruthven

University of Michigan


Charles F.
Walker

University of Michigan


Willis H.
Rich

Stanford




Jay Mathers
Savage

University of Miami


Richard Emmett
Etheridge

San Diego State University




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


Samuel Booker
McDowell

Rutgers, Newark

Charles Robert
Crumly

San Diego State University
(Options)

Charles CrumlyX