Ebenezer
Adams

Dartmouth (MathTree)


Ira
Young

Dartmouth


Asaph
Hall

Harvard


William
Harkness

U.S. Naval Observatory




Joseph John
Thomson

Cambridge (Physics Tree)


Coutts
Trotter

Cambridge


William Wallace
Campbell

Lick Observatory


Edward Charles
Pickering

Harvard College Observatory


Benjamin Apthorp
Gould

Harvard College Observatory






Franz Friedrich Ernst
Brünnow

University of Michigan




William
Christie

Royal Greenwich Observatory (Physics Tree)








Ira
Young

Dartmouth


William
Harkness

U.S. Naval Observatory














Franz Friedrich Ernst
Brünnow

University of Michigan


Benjamin
Peirce

Harvard (MathTree)


James Craig
Watson

University of Michigan


James Craig
Watson

University of Michigan


Edward Singleton
Holden

Lick Observatory


John M.
Schaeberle

Lick Observatory


Charles Sheldon
Hastings

Johns Hopkins (Physics Tree)


Samuel Pierpont
Langley

Smithsonian Institution


James Edward
Keeler

Lick Observatory (Physics Tree)




Charlotte Emma Moore
Sitterly

Naval Research Laboratory

Robert Burnett
King

Caltech
(Options)

Robert KingX