Seamus Heaney was born on April 13, 1939, in Castledawson, County Derry, Northern Ireland. He earned a teacher's certificate in English at St. Joseph's College in Belfast and in 1963 took a position as a lecturer in English at that school. While at St. Joseph's he began to write, joining a poetry workshop with Derek Mahon, Michael Longley, and others under the guidance of Philip Hobsbaum. In 1965 he married Marie Devlin, and the following year he published Death of a Naturalist.