Wilhelm Friedrich
Ostwald

University of Leipzig


Walther
Nernst

Universität Berlin


Gilbert N.
Lewis

UC Berkeley


Paul Karl Ludwig
Drude

Universität Berlin (Physics Tree)


Emil Gabriel
Warburg

Kaiser-Wilhelms-Universität Straßburg


Heinrich
Rubens

Universität Berlin (Physics Tree)


James
Franck

Chicago






A. W. Hermann
Kolbe

Universität Leipzig


Henry Edward
Armstrong

Imperial College




Niels
Bohr

University of Copenhagen (Physics Tree)




Paul
Ehrenfest

Leiden (Physics Tree)


Oskar Benjamin
Klein

Stockholm University College (Physics Tree)


John Oren
Reed

University of Michigan (Physics Tree)


L.C.H. Friedrich
Paschen

Universität Tübingen (Physics Tree)


Harrison McAllister
Randall

University of Michigan (Physics Tree)


Harrison McAllister
Randall

University of Michigan (Physics Tree)


Walter Francis
Colby

University of Michigan (Physics Tree)


David Mathias
Dennison

University of Michigan (Physics Tree)
?


Charles Percy
Snow

UK government


Gordon B.B.M.
Sutherland

Cambridge, Michigan

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Ehrlich

UIUC
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