Religion Historian Martin Marty Marty is one of the foremost authorities on religion and society. He is the Fairfax M. Cone Distinguished Service Professor Emeritus at the University of Chicago, where he taught for over 35 years. His new book is a biography of Martin Luther, one of the leading figures of the Protestant Reformation. The book is Martin Luther. Marty is also the author of a five-volume work on religion in the 20th century.