Robert A.
Millikan

Caltech (Physics Tree)


Albert Abraham
Michelson

Chicago (Physics Tree)


Henry Gordon
Gale

University of Chicago, Mount Wilson Observatory (Physics Tree)


William Ralph
Smythe

Caltech (Physics Tree)


Charles Hard
Townes

UC Berkeley (Physics Tree)

John Howard
Lacy

UT Austin
(Options)

John LacyX