Hans Keilson is the author of Comedy in a Minor Key and The Death of the Adversary. Born in Germany in 1909, he published his first novel in 1933. During World War II he joined the Dutch resistance. Later, as a psychotherapist, he pioneered the treatment of war trauma in children. In a 2010 New York Times review, Francine Prose called Keilson a “genius” and “one of the world’s very greatest writers.” He died in 2011 at the age of 101.