Ronald Duncan (6 August 1914 – 3 June 1982) was a writer, poet and playwright, now best known for preparing the libretto for Benjamin Britten's opera The Rape of Lucretia, first performed in 1946.Duncan was born, with the surname Dunkelsbühler, in Salisbury, Southern Rhodesia (now Harare, Zimbabwe), in 1914. He became a pacifist during the 1930s, and his first publication, in January 1937, was The Complete Pacifist, a pamphlet appearing from the Peace Pledge Union (PPU) and carrying endorsements by Canon Dick Sheppard, Gerald Heard,and Sylvia Townsend Warner. Later that year he wrote the words for a Pacifist March composed by Benjamin Britten (also a pacifist) for the PPU, but the work was not a success and was soon withdrawn. In the same year also he visited Gandhi in India, and from 1938