Arthur Robert
Hinks

Cambridge (Astronomy Tree)




Max
Wolf

Universität Heidelberg


Raymond Smith
Dugan

Princeton (Astronomy Tree)




Friedrich (Fritz)
Hasenöhrl

Vienna University


Otto
Stern

Carnegie Institute of Technology


Max
von Laue

Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin


Arnold Johannes Wilhelm
Sommerfeld

Universität München


Karl F.
Herzfeld

Catholic University


Joseph
Sweetman Ames

Johns Hopkins






Gregory
Breit

SUNY Buffalo


Christian
Christiansen

Copenhagen University






Niels
Bohr

Copenhagen University




?


Julius
Mac Leod

Ghent University (Chemistry Tree)


Hendrik Antoon
Lorentz

Teylers Institute in Haarlem




Ludwig
Boltzmann

Vienna University






Elis
Strömgren

Copenhagen University


Wilhelm Friedrich
Ostwald

Leipzig University (Chemistry Tree)


Hans Emil
Lau

Urania observatory, Copenhagen


Karl
Schwarzschild

Astrophysical Observatory Potsdam






Anton
Pannekoek

Amsterdam




Jan
Woltjer

Leiden (Astronomy Tree)












Edward Emerson
Barnard

Lick Obsrvatory (Astronomy Tree)


Edward Singleton
Holden

Lick Observatory (Astronomy Tree)


William Wallace
Campbell

Lick Observatory


Robert Grant
Aitken

Lick Observatory (Astronomy Tree)


Gerard P.
Kuiper

University of Arizona



William M.
Irvine

U Mass Amherst
(Options)


Joshua Edwards
Colwell

CU Boulder (Astronomy Tree)

Henry B.
Throop

CU Boulder

Shawn M.
Brooks

CU Boulder

William IrvineX