Charles Christian
Lauritsen

Caltech (Physics Tree)


H. Richard
Crane

University of Michigan (Physics Tree)




H. Richard
Crane

University of Michigan (Physics Tree)




John W.
Hooper

Georgia Tech


Henry Norris
Russell

Princeton (Physics Tree)


Raymond Smith
Dugan

Princeton (Astronomy Tree)


Donald Howard
Menzel

Harvard (Physics Tree)





Adam J.
Gianola

CU Boulder
(Options)

Adam GianolaX