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)




Eugène-Charles
Catalan

(Physics Tree)


Louis P.E.
Richard

College Louis-le-Grand (Physics Tree)


Charles
Hermite

École Polytechnique, Sorbonne. (Physics Tree)


Hippolyte
Fizeau

École Polytechnique (Physics Tree)


Emile
Verdet

Universite de Paris (Chemistry Tree)


Alfred
Cornu

École Polytechnique (Physics Tree)


Michel
Chasles

École Polytechnique (Physics Tree)


Joseph
Bertrand

College de France (MathTree)


Edmond
Laguerre

École Polytechnique (Physics Tree)


Jacques
Binet

College de France (Paris) (Physics Tree)


Michel
Chasles

École Polytechnique (Physics Tree)


Pierre-Ossian
Bonnet

École Polytechnique (Physics Tree)


Ernest
Degrand

Service des Pontes et Chaussees (Physics Tree)


Alfred-Aime
Flamant

L’Ecole National des Ponts et Chaussees (Physics Tree)


Jean
Resal

École Polytechnique (Physics Tree)


Henri
Poincaré

University of Paris (Physics Tree)


Frederick Hanley
Seares

Mount Wilson Observatory (Physics Tree)


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)








Patrick Kerr
Rogers

William and Mary




Joseph
Winlock

Harvard College Observatory




Edward Charles
Pickering

Harvard College 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)




Robert Wilhelm Eberhard
Bunsen

Universität Heidelberg (Chemistry Tree)


Christian Ludwig
Gerling

University of Marburg (Physics Tree)


Eduard
Schönfeld

Universität Bonn


Johann Karl Friedrich
Zöllner

University of Leipzig (Physics Tree)


Friedrich Wilhelm Rudolf
Engelmann

University of Leipzig (Physics Tree)


Karl Christian
Bruhns

Universität Leipzig


Hermann Carl
Vogel

Astrophysikalische Observatorium Potsdam (Physics Tree)


Julius
Scheiner

Astrophysical Observatory Potsdam


Johannes Peter
Müller

Universität Berlin (Neurotree)


Ernst Wilhelm
von Brücke

University of Vienna (Neurotree)


Hermann
von Helmholtz

Physikalisch-Technische Reichsanstalt (Neurotree)


Friedrich Julius
Richelot

Universität Königsberg (MathTree)


Franz Ernst
Neumann

Universität Königsberg (Physics Tree)


Heinrich Gustav
Magnus

Universität Berlin (Physics Tree)


Gustav Robert
Kirchhoff

Universität Berlin (Physics Tree)


Rudolf Friedrich Alfred
Clebsch

Universität Göttingen (Physics Tree)


Alexander Wilhelm
Brill

Universität Tübingen (Physics Tree)


Max
Planck

Universität Berlin (Physics Tree)


George E.
Hale

Yerkes Observatory

Harlow
Shapley

Harvard
(Options)

Bart J.
Bok

University of Arizona

Halton C.
Arp

Max-Planck-Institut für Astronomie und Astrophysik

Freeman Devold
Miller

University of Michigan



Frank Kelley
Edmondson

University of Indiana


John Wainwright
Evans

National Solar Observatory

James
Cuffey

New Mexico State

Alice Marguerite
Risley

Randolph College

Donald Alexander
MacRae

University of Toronto


Albert Paul
Linnell

Michigan State


Uco
van Wijk

University of Maryland

Bertram
Donn

University of Maryland (Chemistry Tree)

Arthur Allen
Hoag

Lowell Observatory


David Stuphin
Heeschen

National Radio Astronomy Observatory

Joost H. A.
Kiewiet de Jonge

Allegheny Observatory

Thomas Arnold
Matthews

University of Maryland


Campbell Marion
Wade

National Radio Astronomy Observatory

William Eager
Howard

Universities Space Research Association

Frank Donald
Drake

UC Santa Cruz

John Bartlett
Whiteoak

ANU (Physics Tree)


John Archibald
Graham

Carnegie Institute of Washington


Thomas Ewing
Margrave

Nebraska Crop Monitoring Service

Alan Norman
Stockton

University of Hawai'i at Manoa (Physics Tree)

Julian Jay
Schreur

Texas A&M University-Kingsville


Jacqueline Sweeney
Kloss

Harvard College Observatory



Frank Scott
Hogg

University of Toronto

Helen Battles Sawyer
Hogg

University of Toronto

Florence Shirley
Patterson Jones

Trinity College, Hartford

Franklin Edward
Kameny

US Army Map Service

Frank Donald
Drake

UC Santa Cruz

Paul William
Hodge

University of Washington


Carl Alvar
Wirtanen

Lick Observatory

Helen Battles Sawyer
Hogg

University of Toronto


James
Cuffey

New Mexico State


Florence Shirley
Patterson Jones

Trinity College, Hartford


Ivan R.
King

University of Washington

David Chih-Yuen
Koo

UC Santa Cruz

Raymond Edwin
White

University of Arizona



Luigi Rolly
BEDIN

OSSERVATORIO ASTRONOMICO DI PADOVA (Astronomical Observatory of Padova) - ISTITUTO NAZIONALE DI ASTROFISICA (National Institute for Astrophysics) (Physics Tree)





Paul McRae
Routly

U.S. Naval Observatory




Leonard
Searle

Carnegie Observatories

David Campbell
Montgomery

Dartmouth (Physics Tree)


John E.
Gaustad

Swarthmore

Barry Michael
Lasker

Space Telescope Science Institute

Carl E.
Heiles

UC Berkeley


J. Richard
Gott

Princeton (Physics Tree)


J. Michael
Shull

CU Boulder (Physics Tree)

Francis F.
Chen

UCLA (Physics Tree)

Jaakko Vilhelmi
Tuominen

Univ. Helsinki (Physics Tree)

Veikko Arto Kalevi
Mattila

Univ. Helsinki (Physics Tree)

Ilkka
Tuominen

Univ. Helsinki (Physics Tree)

Osmi
Vilhu

Univ. Helsinki (Physics Tree)

Vilppu
Piirola

University of Turku (Physics Tree)

Tapio
Markkanen

Univ. Helsinki (Physics Tree)

Mauri
Valtonen

University of Turku (Physics Tree)

Emily Hughes
Boyce

Harvard College Observatory

Harlow ShapleyX