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Jacobus Cornelis
Kapteyn

RUG (Physics Tree)


Pieter Johannes
van Rhijn

RUG (Physics Tree)


Bart J.
Bok

University of Arizona (Physics Tree)


John M.
Schaeberle

Lick Observatory (Physics Tree)


Armin Otto
Leuschner

UC Berkeley (Physics Tree)


Fred Lawrence
Whipple

Harvard (Physics Tree)




Wilhelm Friedrich
Ostwald

Leipzig University


Walther
Nernst

Universität Berlin


Gilbert N.
Lewis

UC Berkeley


Christian
Christiansen

Copenhagen University (Physics Tree)


Joseph John
Thomson

Cambridge (Physics Tree)




Niels
Bohr

Copenhagen University (Physics Tree)




Bertram
Donn

University of Maryland


Otto
Struve

UC Berkeley (Physics Tree)


William Wilson
Morgan

Chicago (Astronomy Tree)


Max
Born

Edinburgh (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Ralph H.
Fowler

Cambridge (Physics Tree)


Edward Arthur
Milne

Oxford (MathTree)


Subramanyan
Chandrasekhar

Chicago (Physics Tree)


Arthur D.
Code

UW Madison (Physics Tree)


Michael F.
A'Hearn

University of Maryland

Marla H.
Moore

NASA Goddard Space Flight Center
(Options)

Perry A.
Gerakines

NASA Goddard Space Flight Center

Douglas W.
White

University of South Carolina Aiken


Karen E.
Smith

Boise State

Yukiko Y.
Yarnall

NASA Goddard Space Flight Center

Marla MooreX