And even longer. Conversion therapy became a mainstream practice in the mental health world starting in the 1930s. Sigmund Freud wasn’t big on the potential for ‘success,' but his daughter Anna was.

Psychoanalysts and other talk therapists routinely offered conversion therapy in the 1940s through the 1960s, mostly for children and young adults.

They learned what later Christian ‘therapists’ were to discover: sexual orientation is not subject to voluntary change.