Iain Hamilton (1920-1986) was a British journalist, author and poet. Between 1962-64 he was the editor of The Spectator and for five years he was Editorial Director of the Hutchinson group of publishing companies. The most widely known of his literary works is his biography of Arthur Koestler (1905-1983) the writer, titled Koestler - a biography published by Secker & Warburg, London, in 1982. Other books by Iain Hamilton include: Spectrum: a Spectator miscellany (1956), edited with Ian Gilmour; Scotland the Brave (1957); Half a Highlander: An Autobiography of a Scottish Youth (1958); The Foster Gang (1966), with Henry John May; Embarkation for Cythera (1974); and, The Kerry Kyle (1980).