. "Advocacy of atheism and rationalism"@en . . . . . "Barker at an atheist convention in Reykjav\u00EDk in 2006."@en . . . . . . "Dan Barker"@en . . . . . . "Dan Barker (born June 25, 1949) is a prominent American atheist activist who served as a Christian preacher and musician for 19 years, but left Christianity in 1984."@en . . "300"^^ . . "1949-06-25"^^ . . . "250"^^ . "Dan Barker (born June 25, 1949) is a prominent American atheist activist who served as a Christian preacher and musician for 19 years, but left Christianity in 1984."@en . . "Dan Barker"@en . . . .