 In 1968, he signed the "Writers and Editors War Tax Protest" pledge, vowing to refuse tax payments in protest against the Vietnam War.On September 30, 1986, Cohen died from leukemia at the age of 58.Cohen wrote six works of fiction, including "The Carpenter Years" (1967), "Acts of Theft" (1980), and "An Admirable Woman" (1983), the last of which won the National Jewish Book Award.