Theodor Adorno was Director of the Institute for Social Research at the University of Frankfurt from 1956 until his death in 1969. His works include
In Search of Wagner,
Aesthetic Theory,
Negative Dialectics, and (with Max Horkheimer)
Dialectic of Enlightenment and
Towards a New Manifesto.
Else Frenkel-Brunswik was a Polish-Austrian psychologist based at the University of California at Berkeley.
Daniel J. Levinson was a psychologist and one of the founders of the field of positive adult development.
Nevitt Sanford was Professor of Psychology at the University of California at Berkeley.