Wallace Clement
Sabine

Harvard (Physics Tree)


Percy Williams
Bridgman

Harvard (Physics Tree)


Christian
Christiansen

Copenhagen University (Physics Tree)


Joseph John
Thomson

Cambridge (Physics Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


John Clarke
Slater

UF Gainesville (Chemistry Tree)



Nicholas B.
Hatcher

Northwestern
(Options)

Nicholas HatcherX