Pitirim
Sorokin

Harvard (Neurotree)


Talcott
Parsons

Harvard (SocTree)


George
Sarton

Harvard (History of History Tree)


Lawrence Joseph
Henderson

Harvard Medical School (Physiology Academic Tree)


Robert K.
Merton

Columbia (Neurotree)
?


Robert Staughton
Lynd

Columbia (GeograTree)


Karl
Bühler

Vienna University (PsychTree)


Paul
Lazarsfeld

Columbia (PoliSci Tree)


Seymour Martin
Lipset

George Mason (PoliSci Tree)


Robert A.
Alford

UC Berkeley (SocTree)

Margaret M.
Groarke

CUNY
(Options)

Margaret GroarkeX