Erasmus July 17, 1965
A. C. Powell October 11, 1965
Sören Kierkegaard April 28, 1966
Earl Warren July 28, 1966
Thomas Hobbes May 18, 1967
Marshall McLuhan November 23, 1967
Karl Jaspers August 1, 1968
Marshall McLuhan January 2, 1969
Herbert Marcuse October 23, 1969
Ramsey Clark November 6, 1969
