Giuseppe
Levi

University of Torino


Viktor
Hamburger

Washington University




Paley
Johnson

Cambridge (Chemistry Tree)


John Warren
Williams

UW Madison (Chemistry Tree)






Theodore H.
Hubbell

University of Michigan (Entomology Tree)


Lewis
Berner

UF Gainesville (Entomology Tree)


Roger J.
Williams

UT Austin (Chemistry Tree)


James F.
Hogg

University of Michigan (MichiganTree)








Lloyd
Greene

Columbia


Elias D.
Kouvelas

University of Patras
?




Helen
Barbas

Boston University


Louis
Agassiz

Harvard (Marine Ecology Tree)


Rudolf
Leuckart

Ludwigs-Universität Giessen


Charles Otis
Whitman

Chicago (Evolution Tree)


Frank Rattray
Lillie

Chicago (DevTree)


Lewis Victor
Heilbrunn

Penn (DevTree)


Henry Pickering
Bowditch

Harvard Medical School


Walter Bradford
Cannon

Harvard Medical School




Russell Henry
Chittenden

Yale (Chemistry Tree)


Oswald
Schmiedeberg

Kaiser-Wilhelms-Universität Straßburg









Catherine R.
Dermon

University of Patras
(Options)

Catherine DermonX