As the decade of the 1930s came to its close and moved on into the decade of the 1940s, not only was Dietrich Bonhoeffer a full participant in the underground resistance movement, a double agent whose life was full of risks and dangers; he also unexpectedly fell in love. Bonhoeffer had been in love before, with a woman described simply in Bethge’s biography as “a girl-friend,” but later identified as Elizabeth Zinn. Years later, sitting in his Tegel prison cell, he