☰
?


Icko
Iben

MIT (Physics Tree)


William
Hallock

U.S. Geological Survey (Physics Tree)


Michael I.
Pupin

Columbia (Physics Tree)


Ogden Nicholas
Rood

Columbia (Physics Tree)


Walther
Nernst

Universität Berlin (Chemistry Tree)


Albert Abraham
Michelson

Chicago (Physics Tree)


Robert A.
Millikan

Caltech (Physics Tree)


Charles Christian
Lauritsen

Caltech (Physics Tree)


William Alfred
Fowler

Caltech (Physics Tree)

Robert Thomas
Rood

UVA
(Options)

Robert RoodX