American poet and author who is most known for a 1970 work entitled The Seamless Web. His other works include The Iron Lands, Heartbeat Obbligato, and End of the Flower-World.
He was raised in New York City by British immigrant parents. He studied at the University of Pittsburgh, Columbia University, and New York University.
He served as president of the New York-based Dryden Press.
He married Susan Cohen Oken, with whom he had a daughter.
He was a close friend of poet Robert Frost.