Steven D.
Hollon

Vanderbilt






David A.
Rapaport

Pázmány Péter University


Robert R.
Holt

Harvard (PsychTree)


Cyril
Burt

University of London




Raymond B.
Cattell

University of Illinois


Lester B.
Luborsky

University of Pennsylvania Perelman School of Medicine


Jacques P.
Barber

Adelphi University
?




Steven D.
Hollon

Vanderbilt



John R.
Keefe

Penn
(Options)

John KeefeX