George Sylvester
Morris

Johns Hopkins (Philosophy Tree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)


Herbert Baxter
Adams

Johns Hopkins (History of History Tree)




John
Dewey

Columbia (PsychTree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)




Louis
Agassiz

Harvard (Marine Ecology Tree)




Friedrich Adolf
Trendelenburg

Universität Berlin (Philosophy Tree)






Hermann
Ebbinghaus

Universität Berlin


Eduard
Zeller

Universität Berlin


Hermann
Bonitz

University of Vienna


Benno
Erdmann

Universität Berlin






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)


Johann Kaspar
Bluntschli

Universität München (History of History Tree)


Karl
Knies

Heidelberg University (History of History Tree)


Herbert Baxter
Adams

Johns Hopkins (History of History Tree)




Henry Pickering
Bowditch

Harvard Medical School


Wilhelm
Wundt

University of Leipzig




John
Dewey

Columbia (PsychTree)


Benjamin
Peirce

Harvard (MathTree)


Charles Sanders
Peirce

Johns Hopkins (Philosophy Tree)


Richard
Owen

British Museum of Natural History




Carl F. P.
von Martius

Universität München


Lorenz
Oken

Universität Zürich (Physiology Academic Tree)


Ignaz
Döllinger

University of Munich


Andreas
Röschlaub

University of Munich






Louis
Agassiz

Harvard (Marine Ecology Tree)




Karl Leonhard
Reinhold

Universität Kiel


Georg Ludwig
König

Gymnasium at Eutin


Johann Gottfried Jakob
Hermann

University of Leipzig (Philosophy Tree)


August
Boeckh

Universität Berlin


Friedrich Adolf
Trendelenburg

Universität Berlin (Philosophy Tree)
?


?




Hermann
Ebbinghaus

Universität Berlin


Ferdinand Christian
Baur

Universität Tübingen (Theology Tree)


Eduard
Zeller

Universität Berlin


Johann Gottfried Jakob
Hermann

University of Leipzig (Philosophy Tree)


Karl
Lachmann

Universität Berlin


August
Boeckh

Universität Berlin


Hermann
Bonitz

University of Vienna


Benno
Erdmann

Universität Berlin



Walter S.
Hunter

(Options)

Wayne
Dennis

UVA (PsychTree)

Roger
Russell

University of Pittsburgh (PsychTree)


Douglas
Anger

University of Missouri

George Bela
Kish

University of Maine (PsychTree)



James
Dinsmoor

Indiana University Bloomington


Murray
Sidman

New England Center for Children

Thom
Verhave

Arizona State

Ralph F.
Hefferline

Columbia (PsychTree)

Dick
Malott

Western Michigan University

Leonard
Krasner

UCLA (PsychTree)


Eli E.
Kapostins

Wagner College


Charles N.
Cofer

Brown (PsychTree)

Phebe K.
Cramer

Williams (PsychTree)

Gerald
Pascal

Brown (PsychTree)

Henry Charles
Rickard

University of Alabama (PsychTree)



L. Benjamin
Wyckoff

Emory (PsychTree)

Nathan
Azrin

NOVA Southeastern University (PsychTree)

Parker E.
Lichtenstein

Indiana University of Pennsylvania


Eleanor
Maccoby

Stanford (PsychTree)


Douglas
Anger

University of Missouri

A. Charles
Catania

UMBC (PsychTree)

Lewis R.
Gollub

University of Maryland

Joel
Greenspoon

University of North Texas



John B.
Carroll

UNC Chapel Hill


Keller
Breland

University of Arksas

William H.
Morse

Harvard Medical School


Meg
Waraczynski

U. Wisconsin, Whitewater


Ogden R.
Lindsley

University of Kansas (PsychTree)

Allen
Neuringer

Reed College

Frances K.
McSweeney

WSU (PsychTree)

Lloyd E.
Homme

Teaching Machines Inc. (PsychTree)



Nancy K.
Mello

Harvard Medical School

Maria Martha Costa
Hübner

Universidade de São Paulo

Walter HunterX