See Hamilton Fish (disambiguation) for others with the same nameHamilton Fish (born September 5, 1952) (also known as Hamilton Fish V, Hamilton Fish, Jr., or "Ham") is a publisher, social entrepreneur, environmental advocate, and film producer in New York City. He was born in Washington, D.C. to Hamilton and Julia MacKenzie Fish. He attended schools in New York City and Massachusetts, where he graduated from Harvard University in 1973.