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Henry Gordon
Gale
University of Chicago, Mount Wilson Observatory (Physics Tree)

James
Franck
Chicago (Physics Tree)

Arnold Johannes Wilhelm
Sommerfeld
Universität München (Physics Tree)


William Weldon
Watson
Yale (Physics Tree)


James
Chadwick
Cambridge (Physics Tree)


Ernest Charles
Pollard
Penn State (Physics Tree)


Richard B.
Setlow
Oak Ridge National Laboratory (Neurotree)
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Ole
Maaløe
Copenhagen University (Chemistry Tree)


Francis F.
Heyroth
University of Cincinnati (Chemistry Tree)


John Robert
Loofbourow
MIT (Chemistry Tree)


Max
Born
Edinburgh (Physics Tree)

John
Lennard-Jones
Cambridge (Physics Tree)

Niels
Bohr
Copenhagen University (Physics Tree)

Wolfgang Ernst
Pauli
Princeton (Physics Tree)

Lise
Meitner
Kungliga Tekniska högskolan (Physics Tree)

Alfred Henry
Sturtevant
Caltech (Neurotree)

Thomas Hunt
Morgan
Caltech (FlyTree)


Max
Delbrück
Caltech (FlyTree)


Robert L.
Sinsheimer
UC Santa Barbara (Chemistry Tree)


Philip C.
Hanawalt
Stanford (Neurotree)

David E.
Pettijohn
Stanford
(Options)

Thomas D.
Stamato
Penn (Cell Biology Tree)

Amato J.
Giaccia
Stanford (Cell Biology Tree)

David PettijohnX