Sophie or Sofie Lazarsfeld (née Munk; May 26, 1881 – September 24, 1976) was an Austrian-American therapist and writer, a student of Alfred Adler.
In the later judgement of Paul Lazarsfeld, "My mother was responsible for destroying three men, my father, Friedrich Adler, and myself.
She coined the phrase "the courage to be imperfect", first using it at the 1925 Second International Congress of Individual Psychology, and expanding on the idea in later writing.
[3] How Women Experience Men (1931) drew on the work of marriage clinics set up by Alfred Adler.
[4] She escaped Austria for Paris in 1938, and then the United States in 1941,[5] where she settled and built a psychological practice in New York City.