Phi Beta Kappa; Order of the Coif. Member Board of Editors, Michigan Law Review, 1939-1940. Co-Author: Stern, Gressman, Shapiro & Geller: "Supreme Court Practice," 7th edition, BNA, Inc., 1993; Crump, Gressman and Day, "Cases and Materials on Constitutional Law," 3rd edition, Matthew Bender Co., 1998; Wright, Miller, Cooper and Gressman: "Federal Practice and Procedure: Jurisdiction," Vol. 16, West Publishing Co., 1977. Visiting Professor: Ohio State Law School, Summer, 1967; Michigan Law School, Summer, 1969; Indiana Law School (Washington Program), Fall, 1975; George Washington University Law School, 1971-1977; Catholic University Law School, Summer, 1977; Fordham University Law School, 1982-1983, 1987-1988. Distinguished Visiting Professor, Seton Hall University School of Law, 1987-1994. William Rand Kenan, Jr. Professor of Law, University of North Carolina School of Law, 1977-1987, Professor Emeritus, 1987—. Attorney, Securities & Exchange Commission, 1940-1943. Law Clerk to Justice Frank Murphy, U.S. Supreme Court, 1943-1948. Judge, Appeal Tax Court, Montgomery County, Maryland, 1959-1962. Chairman, Rules Advisory Committee of the Fourth Circuit, 1984-1989. Honorary Fellow of the American Academy of Appellate Lawyers.