Why I Am Not a Christian

Why I Am Not a Christian is an essay by the British philosopher Bertrand Russell. It describes the reasons why Russell does not believe in God and doubts religion.
History.
At first, a talk given March 6, 1927 at Battersea Town Hall, at the South London Branch of the National Secular Society. It was published that year as a pamphlet and was later published, with other essays, in the book, "Why I Am Not a Christian: And Other Essays on Religion and Related Subjects" ().