Wilhelm
Wundt

University of Leipzig




William
McDougall

UCL/Harvard


Cyril
Burt

University of London


Raymond B.
Cattell

University of Illinois










Arnold H.
Buss

University of Texas






Edward Chace
Tolman

UC Berkeley




John
Loehlin

University of Texas


Robert
Plomin

King's College

C. S.
Bergeman

Notre Dame
(Options)

C. BergemanX