Erich Fromm
Significant influences on Uebel include the humanistic psychologists Rollo May, Abraham Maslow, Fritz Perls, Thomas Szasz, and Robert Jay Lifton, the politically engaged psychoanalysts Wilhelm Reich, Erich Fromm, and Herbert Marcuse, and the less easily pigeon-holed thinkers Walter Benjamin, Félix Guattari, and Paul Goodman.