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Walter Kaufmann was born on July 1, 1921. He was a German-American philosopher, translator, and professor. Kaufmann is best known for his work on existentialism, Nietzsche, and the philosophy of religion. He translated many of Nietzsche's works into English, and his book "Existentialism: From Dostoevsky to Sartre" is considered a classic in the field. Kaufmann was a controversial figure, but he was also a brilliant and influential thinker.