Robert A.
Millikan

Caltech (Physics Tree)


Albert Abraham
Michelson

Chicago (Physics Tree)


Lachlan
Gilchrist

University of Toronto (Geotree)


Felix Andries
Vening Meinesz

Utrecht (Physics Tree)


Arthur Francis
Buddington

Princeton (Chemistry Tree)


Harry Hammond
Hess

Princeton (Geotree)


William Bullock
Clark

Johns Hopkins (Geotree)


Edward Wilber
Berry

Johns Hopkins (Geotree)


William Taylor
Thom

Princeton (Geotree)


J Tuzo
Wilson

University of Toronto (Physics Tree)
?


Arthur Albert
Brant

University of Toronto (Physics Tree)


Frank Edward
Senftle

Howard University (Physics Tree)

Arthur Nathaniel
Thorpe

Howard University
(Options)

Peter A.
Intsiful

Howard University

Francis E.
Mensah

Howard University

Julius R.
Grant

Howard University

Arthur ThorpeX