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Simon
Newcomb

Johns Hopkins (Astronomy Tree)


John Bates
Clark

Johns Hopkins


Henry L.
Moore

Johns Hopkins




Heinrich
von Treitschke

Universität Berlin (History of History Tree)


John William
Burgess

Columbia (History of History Tree)


William Archibald
Dunning

Columbia (History of History Tree)


Charles E.
Merriam

Chicago (PoliSci Tree)


William Archibald
Dunning

Columbia (History of History Tree)


Charles E.
Merriam

Chicago (PoliSci Tree)


Harold
Lasswell

Chicago (PoliSci Tree)


Herbert A.
Simon

Carnegie Mellon

Richard
Waldinger

Carnegie Mellon
(Options)

Richard WaldingerX