?


Elizabeth Farquhar
Flower

Penn (Philosophy Tree)
?


Paul
Schrecker

Penn (Philosophy Tree)


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)


Clarence Irving
Lewis

Harvard (Philosophy Tree)


Nelson
Goodman

(Philosophy Tree)

Sidney
Morgenbesser

Penn
(Options)

Sidney MorgenbesserX