Peter Gay lives in New York City and Connecticut.
Walter Kaufmann was born in Freiburg, Germany in July 1, 1921. He arrived in the United States at the age of 17 and became a citizen in 1944. He received a B.A. degree from Williams College in 1941 and a Ph.D. from Harvard University in 1947. During World War II, he served in the United States Army from 1943-1946. He was a member of the philosophy department at Princeton University from 1947-1980. He was a philosopher, translator, poet, and photographer. His first book, a critical study of Nietzsche, was published in 1950. His other works include Critique of Religion and Philosophy, From Shakespeare to Existentialism, The Faith of a Heretic, Tragedy and Philosophy, Without Guilt and… Justice, Religions in Four Dimensions, and Man's Lot. He died on September 4, 1980 at the age of 59.