William Smith
Clark

Massachusetts Agricultural College (Chemistry Tree)


Friedrich
Wöhler

Universität Göttingen (Chemistry Tree)


Henry Bradford
Nason

RPI (Marine Ecology Tree)


Davis Wasgatt
Clark

Amenia Seminary (Terrestrial Ecology Tree)


Joseph
Cummings

Northwestern (Terrestrial Ecology Tree)


John
Johnston

Bowdoin College (Chemistry Tree)


Alexander
Winchell

Vanderbilt (Terrestrial Ecology Tree)


Thomas Chrowder
Chamberlin

Chicago (Marine Ecology Tree)


Rollin D.
Salisbury

Chicago (GeograTree)

Charles C.
Colby

Chicago
(Options)

G. Donald
Hudson

Northwestern

Marion E.
Marts

University of Washington

Charles ColbyX