Heinrich Wilhelm
Dove

Universität Berlin (Meteorology Tree)


Johann Franz
Encke

Universität Berlin


Franz Friedrich Ernst
Brünnow

University of Michigan


James Craig
Watson

University of Michigan


Franz Friedrich Ernst
Brünnow

University of Michigan


James Craig
Watson

University of Michigan


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


Chester
Lyman

Yale (Physics Tree)


Hermann
von Helmholtz

Physikalisch-Technische Reichsanstalt (Neurotree)


Gustav Robert
Kirchhoff

Universität Berlin (Physics Tree)


Charles Sheldon
Hastings

Johns Hopkins (Physics Tree)


Joseph
Winlock

Harvard College Observatory


Samuel Pierpont
Langley

Smithsonian Institution


James Edward
Keeler

Lick Observatory (Physics Tree)



Dinsmore
Alter

University of Kansas
(Options)

Dinsmore AlterX