Edward Chace
Tolman

UC Berkeley








John
Loehlin

University of Texas






William K.
Estes

Indiana University


Arnold H.
Buss

University of Texas


Robert
Plomin

King's College


William
McDougall

UCL/Harvard


Cyril
Burt

University of London


Wilhelm
Wundt

University of Leipzig




Raymond B.
Cattell

University of Illinois



C. S.
Bergeman

Notre Dame
(Options)

C. BergemanX