Austrian psychoanalyst Sigmund Freud (1856-1939) c. 1890 [Getty Images]

UNSPECIFIED - FEBRUARY 27: Austrian psychoanalyst Sigmund Freud (1856-1939) c. 1890 (Photo by Apic/Getty Images) — see more

UNSPECIFIED - FEBRUARY 27: Austrian psychoanalyst Sigmund Freud (1856-1939) c. 1890 (Photo by Apic/Getty Images)

Hulton Archive Apic