On October 31, 1517, Martin Luther delivered his 95 Theses to the Catholic Church. We don't know for sure if Luther actually nailed them to the door of the Wittenberg Castle Church, but we do know that his work changed the world.

In recognition of the five-hundredth anniversary of Martin Luther's Theses, Bob and Ben are joined by Church Historian Dr. Donald Fortson. Dr. Fortson explains the reasons Luther chose to issue his Theses, the context in which he wrote them, and how a devout member of the Catholic Church became a reluctant revolutionary in reforming western Christianity.

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