Ernst Heinrich
Weber

Universität Leipzig


Moritz Wilhelm
Drobisch

University of Leipzig


Christian Hermann
Weiße

Universität Leipzig


Johann Christian August
Clarus

Universität Leipzig


Alfred Wilhelm
Volkmann

Universität Halle-Wittenberg


Gustav Theodor
Fechner

Leipzig University




Friedrich Adolf
Trendelenburg

Universität Berlin (Philosophy Tree)


Hermann
Ulrici

University of Halle (Philosophy Tree)


George Sylvester
Morris

Johns Hopkins (Philosophy Tree)


Benjamin
Peirce

Harvard (MathTree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Louis
Agassiz

Harvard (Marine Ecology Tree)




Josiah
Royce

Harvard (Philosophy Tree)


Robert Wilhelm Eberhard
Bunsen

Universität Heidelberg (Chemistry Tree)


Karl Ewald
Hasse

Universität Göttingen


Johannes Peter
Müller

Universität Berlin


Hermann
von Helmholtz

Physikalisch-Technische Reichsanstalt


Wilhelm
Wundt

University of Leipzig


Hugo
Münsterberg

Universität Berlin


Hermann
Emminghaus

Universität Freiburg


Franz
von Rinecker

Universität Würzburg


Johann Bernhard Aloys
von Gudden

Ludwig-Maximilians-Universität München


Wilhelm
Wundt

University of Leipzig


Paul Emil
Flechsig

Universität Leipzig


Emil
Kraepelin

Ludwig-Maximilians-Universität München




Hermann
Lebert

Universität Zürich


Julius Friedrich
Cohnheim

University of Leipzig


Karl
Weigert

Goethe-Universität Frankfurt


Johann Bernhard Aloys
von Gudden

Ludwig-Maximilians-Universität München


Emil
Sioli

Städtische Anstalt, Frankfurt am Main


Franz
Nissl

Heidelberg University


Franz
Nissl

Heidelberg University


Albert
von Kölliker

Universität Würzburg


Emil
Sioli

Städtische Anstalt, Frankfurt am Main


Alois
Alzheimer

Städtische Anstalt, Frankfurt am Main


Elmer E.
Southard

Harvard Medical School

Robert Mearns
Yerkes

Yale
(Options)

Kenneth W.
Spence

Iowa University

Cletus J.
Burke

California State University (PsychTree)

Roger L.
Mellgren

UT Arlington

Roger
Black

University of South Carolina

Rogelio
Díaz-Guerrero

UNAM (PsychTree)

Larry
Stein

UC Irvine

Nancy Phillips
Perkins

Iowa University (PsychTree)


Jacob L.
Gewirtz

Florida International

Denny Maurice
Ray

Michigan State

Tracy S.
Kendler

Iowa University

Maurice
Smith

University of Iowa (PsychTree)

James H.
McHose

SIU Carbondale (PsychTree)



Jacob
Gerwitz

Florida International

David
Ehrenfreund

University of Iowa

Abe
Amsel

UT Austin

Isabel E.
Farber

University of Iowa

William B.
Pavlik

University of Georgia

Leo J.
Reyna

NOVA Southeastern University

Leon
Festinger

New School for Social Research

Irving
Maltzman

UCLA (PsychTree)

Sidney
Bijou

University of Nevada Reno



Charles Callahan
Perkins

Kansas State University



Max U.
Eninger

Iowa University



Wilse B.
Webb

UF Gainesville

Janet Taylor
Spence

University of Iowa

Frank A.
Logan

Univ. of New Mexico

Hiroshi
Imada

Kwansei Gakuin University




Willard C.
Olson

University of Michigan (PsychTree)


Arthur M.
Wellington

Penn State (PsychTree)

T. Ernest
Newland

UIUC (PsychTree)

Edwin R.
Henry

Ohio State (IOTree)


Charles P.
Sparks

University of Houston (IOTree)



Nicholas
Hobbs

George Peabody College for Teachers (CSD Tree)

R. Stewart
Jones

UIUC (PsychTree)

Chauncy McKinley
Louttit

Indiana University Bloomington

Richard
Bootzin

University of Arizona



Michael
Baum

Boston University

Eliot L.
Gardner

Yeshiva University


Marilyn S.
Albert

Johns Hopkins

Henry (Gus)
Buchtel

University of Michigan

Solly
Zuckerman

Birmingham University


Gabriel
Horn

Cambridge


Charles Ernest
Oxnard

University of Western Australia (Anatomy Tree)

Robert YerkesX