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Albert Edward
Whitford
UC Santa Cruz (Astronomy Tree)

Joel
Stebbins
UW Madison (Astronomy Tree)


Gerald Edward
Kron
U.S. Naval Observatory (Astronomy Tree)




George A.
Van Biesbroeck
Yerkes Observatory (Astronomy Tree)



Otto
Struve
UC Berkeley


Walter
Baade
Mount Wilson Observatory

Edwin Powell
Hubble
Mount Wilson Observatory (Astronomy Tree)



Allan Rex
Sandage
Mount Wilson-Palomar


Clarence Roger
Lynds
UC Berkeley (Astronomy Tree)




Albert
Einstein
Princeton








Felix Christian
Klein
Universität Göttingen

Max
Abraham
Universität Göttingen

Johannes
Stark
Universität Würzburg

Ludwig
Boltzmann
Vienna University

Vladimir Andreevich
Steklov
St Petersburg State University


Frederick Hanley
Seares
Mount Wilson Observatory



George E.
Hale
Yerkes Observatory (Astronomy Tree)


Alfred
Fowler
Normal School of Science, London

John Stanley
Plaskett
Dominion Astrophysical Observatory


Harry Hemley
Plaskett
Oxford (Astronomy Tree)




George E.
Hale
Yerkes Observatory (Astronomy Tree)




Bart J.
Bok
University of Arizona
?


Bengt
Westerlund
University of Arizona (Astronomy Tree)


Alan Norman
Stockton
University of Hawai'i at Manoa

Hai
Fu
University of Hawai'i at Manoa
(Options)

Hai FuX