Background Knowledge o He received his Phd from Heidelberg in 1922 and began a career as a psychotherapist o He moved to the u.s. in 1934 and settled in New York City.I. Background Knowledge ⚫ He received his PhD from Heidelberg in 1922 and began a career as a psychotherapist. ⚫ He moved to the U.S. in 1934 and settled in New York City