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Carl Heinrich
Köstlin
Karlsschule Stuttgart (Chemistry Tree)

Christian Gottlieb
Reuss
Karlsschule Stuttgart (Chemistry Tree)

Johann Friedrich
Blumenbach
Universität Göttingen (Chemistry Tree)

Johann Friedrich
Gmelin
Universität Göttingen

Georg Christoph
Lichtenberg
Universität Göttingen (Meteorology Tree)


Carl Friedrich
Kielmeyer
Universität Tübingen (Chemistry Tree)


Ferdinand Christoph
Oetinger
Universität Tübingen


Wilhelm Gottfried
Ploucquet
Universität Tübingen


Karl
Mayer
Universität Bonn
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Johann
Quistorp
Universität Rostock


Johann Christian Polykarp
Erxleben
Universität Göttingen

Rudolph Augustin
Vogel
Universität Göttingen


Christian Ehrenfried
Weigel
Universität Greifswald


Carl Friedrich
Rehfeld
University of Greifswald

Christian Ehrenfried
Weigel
Universität Greifswald

Bernhard Christian
Otto
University of Greifswald

August Gottlieb
Richter
Universität Göttingen

Johann Friedrich
Blumenbach
Universität Göttingen (Chemistry Tree)


Lorenz Wilhelm
von Haselberg
University of Greifswald


Justus Christian
Loder
Universität Jena, Friedrichs-Universität Halle

August Gottlieb
Richter
Universität Göttingen

Johann Friedrich
Blumenbach
Universität Göttingen (Chemistry Tree)

Ernst Gottfried
Baldinger
University of Marburg (Chemistry Tree)

Georg Christoph
Lichtenberg
Universität Göttingen (Meteorology Tree)


Christoph Wilhelm
Hufeland
Universität Berlin


Karl Asmund
Rudolphi
Universität Berlin


Johannes Peter
Müller
Universität Berlin


Carl Friedrich
Kielmeyer
Universität Tübingen (Chemistry Tree)

Wilhelm Gottfried
Ploucquet
Universität Tübingen


Karl
Mayer
Universität Bonn


Johann
Quistorp
Universität Rostock

Christian Ehrenfried
Weigel
Universität Greifswald

Lorenz Wilhelm
von Haselberg
University of Greifswald

Christoph Wilhelm
Hufeland
Universität Berlin


Karl Asmund
Rudolphi
Universität Berlin


Johannes Peter
Müller
Universität Berlin


Ernst Wilhelm
von Brücke
University of Vienna

Hermann
von Helmholtz
Physikalisch-Technische Reichsanstalt
(Options)

Max
Planck
Universität Berlin (Physics Tree)

Hans
von Euler-Chelpin
Royal University at Stockholm (Chemistry Tree)

Elizabeth R.
Laird
Mount Holyoke (Physics Tree)



Max
von Laue
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin (Physics Tree)

Moritz
Schlick
Universität Wien (Philosophy Tree)


Walther
Bothe
MPI für medizinische Forschung Heidelberg (Physics Tree)

Hartmut Paul
Kallmann
NYU (Physics Tree)

George E.
Hale
Yerkes Observatory (Astronomy Tree)

Max
Abraham
Universität Göttingen (Physics Tree)

Hans Jakob
Reissner
Polytechnic Institute of Brooklyn (E-Tree)

Walther
Meißner
Bayerische Akademie der Wissenschaften (Physics Tree)

Richard
Becker
Universität Göttingen (Chemistry Tree)

Ernest George
Merritt
Cornell (Physics Tree)

Ernst
Zermelo
Universität Zürich (MathTree)

Lise
Meitner
Kungliga Tekniska högskolan (Physics Tree)

Karl Eugen
Guthe
University of Michigan (Physics Tree)

Ivan Mikhaylovich
Sechenov
University of St. Petersburg

Friedrich
Goltz
Kaiser-Wilhelms-Universität Straßburg

J. Richard
Ewald
Kaiser-Wilhelms-Universität Straßburg


Jacques
Loeb
Rockefeller Institute for Medical Research

Albrecht
Bethe
Goethe-Universität Frankfurt



Justus
Gaule
Universität Zürich

Karl Hugo
Kronecker
Universität Bern (Physiology Academic Tree)

Otto
Lubarsch
(Physiology Academic Tree)

John Theodore
Cash
University of Aberdeen (Chemistry Tree)

Arthur Robertson
Cushny
University of Michigan (Chemistry Tree)


Gabriel
Lippmann
Sorbonne (Physics Tree)

Paul
Langevin
College de France (Physics Tree)

Constantin
Miculescu
University of Bucharest (Meteorology Tree)

Pierre
Curie
Sorbonne (Physics Tree)

Marie
Skłodowska Curie
Université Paris-Sorbonne (Chemistry Tree)

Jean
Lecomte
Sorbonne (Physics Tree)

Marian
Smoluchowski
Vienna University (Physics Tree)

Józef
Wierusz-Kowalski
Universität Göttingen (MathTree)

Henry
Crew
Northwestern (Physics Tree)

Joseph
Sweetman Ames
Johns Hopkins (Physics Tree)

A. Hermann
Pfund
Johns Hopkins (Physics Tree)

E. Percival
Lewis
UC Berkeley (Physics Tree)

William Jackson
Humphreys
George Washington University (Physics Tree)

Albert Francis
Zahm
Johns Hopkins (E-Tree)

Lyman James
Briggs
National Bureau of Standards (Physics Tree)

John Boswell
Whitehead
Johns Hopkins (E-Tree)

Samuel James Macintosh
Allen
University of Cincinnati (Physics Tree)

John August
Anderson
Johns Hopkins (Physics Tree)

Herbert Eugene
Ives
Bell Labs (Physics Tree)

William Frederick
Schulz
UIUC (Physics Tree)

William Frederick
Meggers
National Bureau of Standards (Physics Tree)

Hugh Latimer
Dryden
National Aeronautics and Space Administration (Physics Tree)

Gregory
Breit
SUNY Buffalo (Physics Tree)

David
Ferrier
National Hospital, Queen Square, London

Rickman
Godlee
University College Hospital, London

William
MacEwen
Royal Hospital for Sick Children, Glasgow

James
Sully
UCL (PsychTree)

Max Frederick
Meyer
University of Missouri

Lórand
Eötvös
University of Budapest

Karl
Tangl
University of Budapest

Lipót (Leopold)
Fejér
University of Budapest

Émile
Boutroux
Universite de Paris (History of History Tree)

Abel
Rey
Universite de Paris -Sorbonne (History of History Tree)

Léon
Brunschvicg
Université Paris-Sorbonne (History of History Tree)

Friedrich Hermann
Schottky
Universität Berlin (MathTree)

Konrad Hermann
Theodor
Universität Tübingen (MathTree)

Paul
Koebe
Universität Leipzig (MathTree)

Walter
Schnee
Universität Leipzig (MathTree)

Leon
Lichtenstein
Universität Leipzig (MathTree)

Heinrich Gustav Johannes
Kayser
Universität Bonn (Physics Tree)

Heinrich Mathias
Konen
Universität Bonn (Physics Tree)

Keivin
Burns
University of Pittsburgh (Astronomy Tree)

Heinrich Rudolph
Hertz
(Physics Tree)

Josef
von Geitler-Armingen
Technische Hochschule Graz (Physics Tree)

Erich
Kaiser
Ludwig-Maximilians-Universität München (Geotree)

Vilhelm Friman Koren
Bjerknes
University of Oslo, Norway (Meteorology Tree)

Philipp Eduard Anton
Lenard
Universität Heidelberg (Physics Tree)

Ernst
Pringsheim
Universität Berlin (Physics Tree)

Mieczysław Władysław
Wolfke
Königliche Universität zu Breslau (Physics Tree)

Erich
Waetzmann
Universität Breslau

William L.
Robb
RPI (E-Tree)

Otto Richard
Lummer
University of Breslau

Mieczysław Władysław
Wolfke
Königliche Universität zu Breslau (Physics Tree)

George Ernest
Gibson
UC Berkeley (Chemistry Tree)

Hermann
Senftleben
Westfälische Wilhelms-Universität Münster (Physics Tree)

Clemens
Schaefer
Universität zu Köln (Physics Tree)

Erich
Waetzmann
Universität Breslau

Franz Joseph Matthias
Richarz
University of Marburg (Physics Tree)

Albert
Wigand
Universität Hamburg (Physics Tree)

Reinhard
Mecke
University of Freiburg (Physics Tree)

William Francis
Magie
Princeton (Physics Tree)

Claude Silbert
Hudson
National Bureau of Standards (Chemistry Tree)

Willy (Wilhelm) Carl Werner Otto Fritz Franz
Wien
Universität Würzburg (Physics Tree)

Lars
Vegard
University of Oslo, Norway (Physics Tree)

Gabriel Gabrielsen
Holtsmark
University of Wurzburg (Chemistry Tree)

Hans
Rau
(Physics Tree)

Arthur J.
Dempster
Chicago (Physics Tree)

Eduard
Rüchardt
Universität München (Chemistry Tree)

Michael
Schön
TU München (Physics Tree)

Fritz
Kirchner
Universität zu Köln (Physics Tree)

Rudolf
Seeliger
Universität Greifswald (Physics Tree)

Max Carl Werner
Wien
Universität Jena (Physics Tree)

Peter J. W.
Debye
Cornell (Physics Tree)

Fritz
Kirchner
Universität zu Köln (Physics Tree)

Hermann Emil Wilhelm
Backhaus
Technische Hochschule Karlsruhe (E-Tree)

Heinrich
Lange
Universität zu Köln (Physics Tree)

Christoph
Schmelzer
Universität Heidelberg (Physics Tree)

Michael I.
Pupin
Columbia (Physics Tree)

Robert A.
Millikan
Caltech (Physics Tree)

Arthur Gordon
Webster
Clark University (Physics Tree)

Albert Potter
Wills
Columbia (Physics Tree)

Gustav Heinrich
Wiedemann
Universität Leipzig (Physics Tree)

Edward Leamington
Nichols
Cornell (Physics Tree)

Johann Karl Friedrich
Zöllner
University of Leipzig (Physics Tree)

August
Hagenbach
Universität Basel (Chemistry Tree)

August Otto
Föppl
Technical University of Munich, Germany (Physics Tree)

Robert T.D.
Luther
Universität Leipzig (Chemistry Tree)

Heinrich Friedrich
Weber
ETH Zürich (Physics Tree)

Arthur Rudolf
Hantzsch
Universität Leipzig (Chemistry Tree)

Wilhelm Ludwig Franz
Hallwachs
TU Dresden (Physics Tree)

Ernst Christian
Neumann
University of Königsberg (Chemistry Tree)

Paul Clemens
von Baumgarten
Universität Tübingen (Chemistry Tree)

Charles Sheldon
Hastings
Johns Hopkins (Physics Tree)

James Edward
Keeler
Lick Observatory (Physics Tree)

Edward Leamington
Nichols
Cornell (Physics Tree)

Ernest George
Merritt
Cornell (Physics Tree)

Frederick John
Rogers
Stanford (Physics Tree)

Frederick
Bedell
Cornell (Physics Tree)

Ernest Fox
Nichols
Dartmouth (Physics Tree)

Charles Tobias
Knipp
UIUC (Physics Tree)

Floyd Rowe
Watson
UIUC (Physics Tree)

George Walter
Stewart
University of Iowa (Physics Tree)

John Sanford
Shearer
Cornell (Physics Tree)

Elmer Edgar
Hall
UC Berkeley (Physics Tree)

William Weber
Coblentz
National Bureau of Standards (Physics Tree)

Wheeler Pedlar
Davey
Penn State (Physics Tree)

Willard James
Fisher
Harvard (Astronomy Tree)

Roswell Clifton
Gibbs
Cornell (Physics Tree)

Floyd K.
Richtmyer
Cornell (Physics Tree)

Carleton Chase
Murdock
Cornell (Physics Tree)

Earle Keith
Plyler
UNC Chapel Hill (Physics Tree)

Siegfried
Czapski
Carl Zeiss AG

August
Köhler
Carl Zeiss AG

Fernando
Sanford
Stanford (Physics Tree)

Perley Ason
Ross
Stanford (Physics Tree)

Wilhelm Heinrich
von Wittich
Universität Königsberg

Friedrich
Goltz
Kaiser-Wilhelms-Universität Straßburg

Arthur
Schuster
University of Manchester (Physics Tree)

Arthur Stanley
Eddington
Cambridge (MathTree)

Margaret White
Fishenden
Imperial College London (Physics Tree)

Ernest
Rutherford
Cambridge (Physics Tree)

W. Lawrence
Bragg
Cambridge (Physics Tree)

William Napier
Shaw
Imperial College London (Meteorology Tree)

Gordon Miller Bourne
Dobson
Oxford (Meteorology Tree)

David
Brunt
Meteorological Office London (Meteorology Tree)

Coutts
Trotter
Cambridge (Astronomy Tree)

Hugh Frank
Newall
Cambridge (Astronomy Tree)

Heinrich Friedrich
Weber
ETH Zürich (Physics Tree)

Albert
Einstein
Princeton (Physics Tree)

Gilles
Holst
Philips Electronics (Physics Tree)

Charles Édouard
Guillaume
Bureau international des poids et mesures (Physics Tree)

Hjalmar
Tallqvist
Univ. Helsinki (Physics Tree)

Johannes
von Kries
Universität Freiburg

Alfred
Kühn
Max-Planck-Institut für Biologie, Tübingen (Evolution Tree)

Wilhelm
Trendelenburg
Universität Berlin

Henry
Sewall
University of Michigan (Physiology Academic Tree)

Kurt
Koffka
Smith College

Frederick
Slate
UC Berkeley (Physics Tree)

Floyd Rowe
Watson
UIUC (Physics Tree)

August Wiktor
Witkowski
Polytechnische Universität Lemberg (Physics Tree)

Stanisław
Loria
Jagiellonian University, Cracow (Physics Tree)

Ignacy
Zakrzewski
Jagiellonian University in Cracow (Physics Tree)

Konstanty
Zakrzewski
Jagiellonian University in Cracow (Physics Tree)

Albert Pruden
Carman
Purdue (Physics Tree)

Henry A.
Rowland
Johns Hopkins (Physics Tree)

Henry Andrews
Bumstead
Yale (Physics Tree)

Alfred D.
Cole
Denison University (Chemistry Tree)

Robert Williams
Wood
Johns Hopkins (Physics Tree)

Lyman James
Briggs
National Bureau of Standards (Physics Tree)

Edwin Herbert
Hall
Harvard (Physics Tree)

Louis
Duncan
Johns Hopkins (Physics Tree)

Harry Fielding
Reid
Johns Hopkins (Physics Tree)

Henry
Crew
Northwestern (Physics Tree)

Louis
Bell
Purdue (Physics Tree)

Joseph
Sweetman Ames
Johns Hopkins (Physics Tree)

E. Percival
Lewis
UC Berkeley (Physics Tree)

A Stanley
Mackenzie
Dalhousie University (Physics Tree)

William Jackson
Humphreys
George Washington University (Physics Tree)

Samuel Alfred
Mitchell
UVA (Astronomy Tree)

Albert Francis
Zahm
Johns Hopkins (E-Tree)

Frederick Albert
Saunders
Harvard (Physics Tree)

Edward Leamington
Nichols
Cornell (Physics Tree)

Christine
Ladd-Franklin
Chicago (Philosophy Tree)

Wilhelm
Wundt
University of Leipzig

Felix
Krueger
Leipzig University

Sebald Rudolph
Steinmetz
Amsterdam (Anthropology Tree)

James Mark
Baldwin
Johns Hopkins (CSD Tree)

David
Ferrier
National Hospital, Queen Square, London

August
Kirschmann
University of Toronto

Charles Hubbard
Judd
Chicago (MathTree)

Ezequiel A.
Chávez
UNAM (PsychTree)

Nikolay
Lossky
(Philosophy Tree)

Tomáš Garrigue
Masaryk
University of Prague



Oswald
Kulpe
(IOTree)


Moritz
Geiger
Universität Göttingen (Philosophy Tree)

Theodor
Lipps
Universität München (Philosophy Tree)


George H.
Mead
Chicago (SocTree)


Hugo
Münsterberg
Universität Berlin

Nikolay Yakovlevich
Grot
Moscow State University


Oswald
Külpe
University of Wurzburg


Frank
Angell
Stanford (PsychTree)


Hugo
Eckener
Zeppelin Company

Willy
Hellpach
Heidelberg University (PsychTree)

Georgij
Chelpanov
University of Moscow

George
Arps
Ohio State

Harry Kirke
Wolfe
University of Nebraska (PsychTree)


Theophilos
Boreas
University of Athens

Walter Dill
Scott
Northwestern (IOTree)

Wilhelm
Peters
University of Leipzig


Florian
Ștefănescu-Goangă
University of Cluj (PsychTree)

Théodore
Flournoy
University of Geneva (PsychTree)

Clarence Luther
Herrick
Denison University (Geotree)

Ernst
Meumann
University of Hamburg


Emil
Kraepelin
Ludwig-Maximilians-Universität München


Albert E.
Michotte van den Berck
Catholic University of Louvain, Belgium

Wilhelm Friedrich
Ostwald
Leipzig University (Chemistry Tree)

Armand
Thiéry
University of Louvain

Albert Abraham
Michelson
Chicago (Physics Tree)

Henry Gordon
Gale
University of Chicago, Mount Wilson Observatory (Physics Tree)

Frank Baldwin
Jewett
Bell Labs (Physics Tree)

Harvey Brace
Lemon
Chicago (Physics Tree)

Lachlan
Gilchrist
University of Toronto (Geotree)

Ira Sprague
Bowen
Caltech (Astronomy Tree)

Robert A.
Millikan
Caltech (Physics Tree)

Hermann von HelmholtzX