Alan O.
Ross

SUNY Stony Brook


Cyril
Burt

University of London (Neurotree)


Hans Jurgen
Eysenck

Institute of Psychiatry (Neurotree)


Rosemery O.
Nelson Gray

The University of North Carolina at Greensboro


Sandra S.
Sigmon

University of Maine

Barbara A.
Hermann

University of Maine
(Options)

Barbara HermannX