 The legal brief laying out Afroyim's arguments was written by Nanette Dembitz, general counsel of the New York Civil Liberties Union; the government's brief was written by United States Solicitor General (and future Supreme Court Associate Justice) Thurgood Marshall.The oral arguments in the case were presented by attorneys Edward Ennis—chairman of the American Civil Liberties Union (ACLU)—for Afroyim, and Charles Gordon—general counsel for the INS—for the government.Afroyim was in New York City at this time, having been granted a visitor's visa in 1965 while his case went through the courts.