Thomas Stearns Eliot, OM (26 September 1888 – 4 January 1965), was an essayist, publisher, playwright, literary and social critic, and "one of the twentieth century's major poets". Born in St. Louis, Missouri, in the United States, to a prominent Boston Brahmin family, he moved to England in 1914 at the age of 25, settling, working, and marrying there. He became a British subject in 1927 at the age of 39, renouncing his American passport.
Eliot attracted widespread attention for his poem "The Love Song of J. Alfred Prufrock" (1915), which was seen as a masterpiece of the Modernist movement. It was followed by some of the best-known poems in the English language, including The Waste Land (1922), "The Hollow Men" (1925), "Ash Wednesday" (1930), and Four Quartets (1943). He was also known for his seven plays, particularly Murder in the Cathedral (1935) and The Cocktail Party (1949). He was awarded the Nobel Prize in Literature in 1948, "for his outstanding, pioneer contribution to present-day poetry".
(Source: Wikipedia entry on T.S. Eliot)