Gideon Jan
Verdam

Leiden (MathTree)


Pieter Leonhard
Rijke

Leiden (Physics Tree)






Anton
Pannekoek

Amsterdam


David
Gill

Royal Observatory at Cape of Good Hope








James Clerk
Maxwell

Cambridge (Physics Tree)


David
Thomson

University of Aberdeen


David
Gill

Royal Observatory at Cape of Good Hope


Cornelius H.C.
Grinwis

Utrecht (Physics Tree)








John Krom
Rees

Columbia


Harold
Jacoby

Columbia






George E.
Hale

Yerkes Observatory






Carl Ernst Heinrich
Schmidt

Kaiserliche Universität Dorpat (Chemistry Tree)


Arthur Joachim
von Oettingen

Kaiserliche Universität Dorpat (Meteorology Tree)


Wilhelm
Wundt

University of Leipzig (Neurotree)


Wilhelm Friedrich
Ostwald

Leipzig University (Chemistry Tree)


Thorvald
Thiele

Copenhagen University (Physics Tree)


Hans Emil
Lau

Urania observatory, Copenhagen (Physics Tree)


Carl
Charlier

University of Lund


Carl
Burrau

University of Lund (Physics Tree)


Elis
Strömgren

Copenhagen University (Physics Tree)


Hugo
von Seeliger

Universität München


C. L. Ferdinand
Lindemann

Universität München (Physics Tree)


Karl
Schwarzschild

Astrophysical Observatory Potsdam (Physics Tree)




Edward Singleton
Holden

Lick Observatory


Edward Emerson
Barnard

Lick Obsrvatory


William
Chauvenet

Washington University


William
Harkness

U.S. Naval Observatory


Asaph
Hall

Harvard


Simon
Newcomb

Johns Hopkins


Edward Singleton
Holden

Lick Observatory


John M.
Schaeberle

Lick Observatory


James Edward
Keeler

Lick Observatory (Physics Tree)


Edward Singleton
Holden

Lick Observatory


William Wallace
Campbell

Lick Observatory


Robert Grant
Aitken

Lick Observatory


Gerard P.
Kuiper

University of Arizona

Tobias Chant
Owen

University of Hawai'i at Manoa
(Options)

Caitlin Ann
Griffith

University of Arizona

Paulo F.
Penteado

University of Arizona

Johanna K.
Teske

University of Arizona

Tobias OwenX