William Wallace
Campbell

Lick Observatory


Ralph Hamilton
Curtiss

University of Michigan (Physics Tree)


Ralph Hamilton
Curtiss

University of Michigan (Physics Tree)


Richard Alfred
Rossiter

University of Michigan


Dean Benjamin
McLaughlin

University of Michigan (Physics Tree)


Simon
Newcomb

Johns Hopkins


William
Harkness

U.S. Naval Observatory




Heber Doust
Curtis

University of Michigan


Orren Cuthbert
Mohler

University of Michigan


Karl Christian
Bruhns

Universität Leipzig


Hugo
von Seeliger

Universität München


Hugo
von Seeliger

Universität München


Ernst A. F. W.
Grossmann

Universität München (Physics Tree)


Hans
Kienle

Universität Göttingen


Paul
ten Bruggencate

Universität Göttingen






Leo
Goldberg

University of Michigan


Günther H. E.
Elste

University of Michigan

David Frank
Gray

Western University
(Options)

Clifford George
Toner

National Solar Observatory

David GrayX