The Blackfriars Theatre, founded in 1940, was one of New York's first Off-Broadway playhouses. It was unique in another way: it was started by two Catholic priests and was the only professional level theatre in the United States under Roman Catholic auspices. It was the first such theatrical venture by any religious group. God Off-Broadway examines the efforts of the Blackfriars staff to meld theatre and religion between 1940 and 1972. While...