Brian O'Nolan (; 5 October 19111 April 1966), whose pen names included Flann O'Brien, was an Irish civil service official, novelist, playwright and satirist, who is now considered a major figure in twentieth-century Irish literature. Born in Strabane, County Tyrone, he is regarded as a key figure in modernist and postmodern literature. His four English-language novels, including At Swim-Two-Birds and The Third Policeman, were published under the pen name Flann O'Brien. His many satirical columns in The Irish Times and an Irish-language novel, An Béal Bocht, were written under the name Myles na gCopaleen. Wikipedia
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