sentences:  In 1947, he became a professor of creative writing and English literature at New York University, a post he would hold until his retirement in 1966.He published his last book, "The Dolphin in the Wood", in 1950, although he would continue to work on several unfinished writings up to his death 50 years later.After his retirement, he moved with his wife to the Greek island of Naxos, where he pursued his lifelong hobby of mountain-climbing well into his 80s.