☰


Thomas Henry
Huxley
(Evolution Tree)

Julius
Sachs
University of Wurzburg

Heinrich Anton
de Bary
Kaiser-Wilhelms-Universität Straßburg (Mycotree)




Edward Monroe
Freeman
UMN (Chemistry Tree)


Asa
Gray
Harvard (Chemistry Tree)


Charles Edwin
Bessey
University of Nebraska (Terrestrial Ecology Tree)





Clyde Martin
Christensen
UMN
(Options)

Clyde ChristensenX