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Paul
Natorp
University of Marburg (Philosophy Tree)


Karl
Schmidt
Harvard (Neurotree)


Rudolf Hermann
Lotze
Berlin (Neurotree)

George Sylvester
Morris
Johns Hopkins (Philosophy Tree)

Charles Sanders
Peirce
Johns Hopkins (Philosophy Tree)

William
James
Harvard (Neurotree)


Josiah
Royce
Harvard (Philosophy Tree)


C. L. Ferdinand
Lindemann
Universität München (Physics Tree)


David
Hilbert
Universität Göttingen (Physics Tree)


James
Ward
Cambridge (Neurotree)


Bertrand
Russell
Cambridge (Philosophy Tree)


Augustus Edward Hough
Love
Oxford (MathTree)

Edmund Taylor
Whittaker
Cambridge (MathTree)


G H (Godfrey Harold)
Hardy
Cambridge (Neurotree)


Norbert
Wiener
MIT (Neurotree)


Norman
Levinson
MIT (MathTree)

Violet B.
Haas
Purdue
(Options)

Violet HaasX