Ernst Simmel, Hanns Sachs, Franz Alexander, Sándor Radó, Karen Horney, Siegfried Bernfeld, Otto Fenichel, Theodor Reik, Wilhelm Reich and Melanie Klein were among the many psychoanalysts who worked at the institute.
Felix Boehm [de], who with fellow non-Jew Carl Müller-Braunschweig [de] had taken control of the institute after Eitingon's departure, refused to intervene on Jacobson's behalf, on the grounds that by associating herself with Communism she had endangered the institute's survival.
Göring, Boehm and Müller-Braunschweig collaborated for a number of years; fourteen non-Jewish German psychoanalysts continued to operate within the new Institute.
[4] The institute offered treatment to men for homosexual tendencies when they were referred by the Hitler Youth and other Nazi organizations.
[5] John Rittmeister, a physician and psychoanalyst associated with the institute, as well as resistance fighter against Nazism, was sentenced to death and executed in May 1943.