Johann Franz
Encke

Universität Berlin


Friedrich
Tietjen

Universität Berlin




William Smith
Clark

Massachusetts Agricultural College (Chemistry Tree)


Friedrich
Wöhler

Universität Göttingen (Chemistry Tree)


Henry Bradford
Nason

RPI (Marine Ecology Tree)


Davis Wasgatt
Clark

Amenia Seminary (Terrestrial Ecology Tree)


Joseph
Cummings

Northwestern (Terrestrial Ecology Tree)


John
Johnston

Bowdoin College (Chemistry Tree)


Alexander
Winchell

Vanderbilt (Terrestrial Ecology Tree)


Thomas Chrowder
Chamberlin

Chicago (Marine Ecology Tree)




Ebenezer
Adams

Dartmouth (MathTree)


Ira
Young

Dartmouth


Asaph
Hall

Harvard


William
Harkness

U.S. Naval Observatory




Gustav Heinrich
Wiedemann

Universität Leipzig (Physics Tree)


Heinrich Gustav
Magnus

Universität Berlin (Physics Tree)


Heinrich Wilhelm
Dove

Universität Berlin (Meteorology Tree)


Johann Karl Friedrich
Zöllner

University of Leipzig (Physics Tree)


Karl Christian
Bruhns

Universität Leipzig


Friedrich Wilhelm Rudolf
Engelmann

University of Leipzig (Physics Tree)


Johann Franz
Encke

Universität Berlin


Heinrich Louis
d'Arrest

Copenhagen University (Physics Tree)


Karl Christian
Bruhns

Universität Leipzig


Hermann Carl
Vogel

Astrophysikalische Observatorium Potsdam (Physics Tree)



Edwin Powell
Hubble

Mount Wilson Observatory
(Options)

Nicholas Ulrich
Mayall

Lick Observatory

Horace Welcome
Babcock

Mount Wilson Observatory

Albert Gray
Mowbray

San Jose State

Hyron
Spinrad

UC Berkeley

Arnold Noel
Argue

Cambridge (Physics Tree)

Allan Rex
Sandage

Mount Wilson-Palomar (Physics Tree)

R. Michael
Rich

UCLA (Physics Tree)

Howard H.
Lanning

Space Telescope Science Institute

Robert LeRoy
Wildey

Northern Arizona University

Philippe
Véron

Observatoire de Paris (Physics Tree)




Milton L.
Humason

Mount Wilson Observatory

Nicholas Ulrich
Mayall

Lick Observatory

Edwin HubbleX