Flann O'Brien was an Irish writer born on October 5, 1911, in Strabane, County Tyrone. He is best known for his novels, including At Swim-Two-Birds and The Third Policeman, which blend humor, fantasy, and philosophical themes. O'Brien's work often reflects his interest in the complexities of language and identity. O'Brien also wrote under the pseudonym Myles na gCopaleen for his newspaper columns, where he showcased his wit and satirical style. His unique approach to storytelling has influenced many writers and continues to be celebrated in Irish literature. He passed away on April 1, 1966.