Lovers wrote letters. Letters crossed absence, longing, joy, passion, loss and heartbreak. Sometimes letters were answered. Sometimes not. And sometimes not for years, but then — In 1948, in the exhausted aftermath of WWII, the poets Paul Celan and Ingeborg Bachmann met in Vienna. They began a difficult and intense but intermittent relationship which lasted until the early 1960s, broken off only when Bachmann could no longer deal with Celan's increasing...