George S.
Fullerton

Penn (PsychTree)




Edgar A.
Singer, Jr.

Penn (Philosophy Tree)




Clarence Irving
Lewis

Harvard (Philosophy Tree)




Silvan Solomon
Tomkins

Livingston College of Rutgers University


Carroll E.
Izard

University of Delaware

Kristy J.
Sheffler

University of Delaware
(Options)

Kristy ShefflerX