David Foster Wallace
Abraham H. Maslow
Erich Fromm
Rogers, Carl R.
James F. Calhoun
A. C. Grayling
Rollo May
Viktor E. Frankl
S. Wise Bauer
David Hume
James F. T. Bugental
Rowan, John.
Jessie Wise
David V. Hicks
Lawrence Stenhouse