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Donald Cary
Williams
Harvard (Philosophy Tree)

Clarence Irving
Lewis
Harvard (Philosophy Tree)


Roderick
Chisholm
Brown (Philosophy Tree)


Joseph L.
Camp
University of Pittsburgh (Philosophy Tree)


Yuri
Filipchenko
University of Leningrad (DevTree)

Thomas Hunt
Morgan
Caltech (FlyTree)


Theodosius
Dobzhansky
Columbia University, Rockefeller University (FlyTree)


Richard C.
Lewontin
Harvard (FlyTree)
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Richard
Levins
Chicago (Philosophy Tree)



Barbara G.
Montero
Chicago
(Options)

Barbara MonteroX