Hans Keilson is the author of Comedy in a Minor Key. 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.