Richard von Krafft-Ebing

Context:

Discussed as the 1886 compendium of sexual deviancy that introduced terms like sadism and masochism to the English language, and in which Krafft-Ebing eventually included Jack the Ripper as 'case 17' under lust murder.

Context:

Explicitly described as 'this great book' by German psychologist Richard von Krafft-Ebing about homosexuality, which was translated into English in 1892, three years before Wilde's trial. Discussed in context of the medicalization of sexuality in the late 19th century.