Niall Williams is an Irish novelist and playwright. He is best known for his novels Four Letters of Love, As It Is in Heaven, and This Is Happiness. Williams was born in Dublin, Ireland, and studied English and philosophy at University College Dublin. He has written several plays, including The Way You Look Tonight and The Gift of the Magi. Williams has won numerous awards for his writing, including the Irish Book Award for Fiction and the Kerry Group Irish Fiction Award. He currently lives in County Kildare, Ireland, with his wife and two children. Williams is a passionate advocate for the Irish language and culture, and his work often reflects his love for his homeland.