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Theodore William
Richards

Harvard (Chemistry Tree)


Wilhelm Friedrich
Ostwald

Leipzig University (Chemistry Tree)


Walther
Nernst

Universität Berlin (Chemistry Tree)


Gilbert N.
Lewis

UC Berkeley (Chemistry Tree)


Frank Harold
Spedding

Iowa State (Chemistry Tree)


James LeRoy
Baker

Iowa State


Daniel I.
Arnon

UC Berkeley (Chemistry Tree)




Don
Kirkham

Iowa State (Physics Tree)




Peter J.
Wierenga

New Mexico State


Robert
Horton

Iowa State

James M.
Hamlett

Penn State
(Options)

James HamlettX