Madeleine Delbrêl (1904–1964) was a French Catholic author, poet, and mystic, whose works include The Marxist City as Mission Territory (1957), The Contemporary Forms of Atheism (1962), and the posthumous publications We, the Ordinary People of the Streets (1966) and The Joy of Believing (1968). She came to the Catholic faith after a youth spent as a atheist. She has been cited by Cardinal Roger Etchegaray as an example for young people to follow in "the arduous battle of holiness." Madeleine died unexpectedly from a brain hemorrhage in 1964.