Henry Havelock Ellis was born. A pioneering writer within the field of human sexuality, Ellis is widely credited with introducing the terms autoeroticism and narcissism within a psychoanalytical context.

Ellis is best known for his 'Studies in the Psychology of Sex' series which he published over a number of years, consisting of six volumes i.e. 'Sexual Inversion' (1897), 'The Evolution of Modesty, the Phenomena of Sexual Periodicity and Auto-eroticism' (1900), 'Analysis of the Sexual Impulse, Love and Pain, The Sexual Impulse in Women' (1903), 'Sexual Selection in Man' (1905), 'Erotic Symbolism' (1906) and 'Sex in Relation to Society' (1910).

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Psychoanalysis