Funk, Rainer. Erich Fromm: His Life and Ideas
. Translators Ian Portman, Manuela Kunkel. New York: Continuum International Publishing Group, 2003. ISBN 0-8264-1519-9, ISBN 978-0-8264-1519-6. P. 13:
"For a second name he was given that of his grandfather on his father's side—Seligmann Pinchas Fromm, although the registry office in Frankfurt does not record him as Erich Pinchas Fromm, but as Erich Seligmann Fromm. Also his parents addressed his mail to 'Erich S. Fromm.'" Fromm
(March 23, 1900 – March 18, 1980) was a German social psychologist, psychoanalyst, humanistic philosopher, and democratic socialist. He was associated with what became known as the Frankfurt School of critical theory.