His first teaching analyst was Therese Benedek, who had to resign as a Jew from the German Psychoanalytic Society in 1935 and emigrated to the United States in 1936.
In 1961 Riemann published a book called Grundformen der Angst [Basic Forms of Anxiety] in which he developed a typology of personality.
He postulated that every person had two pairs of conflicting needs, each coming with their own form of fear or anxiety.
Fritz Riemann turned to astrology in the 1930s while training to become a psychoanalyst, and published the book Lebenshilfe Astrologie.
He saw individual birth charts as fruitful for all human relationships, emphasizing personal responsibility for emotional development.