No. 11850. Argued May 27, 1957. Decided January 9, 1958. Petition for Rehearing Denied April 11, 1958. Mr. John J. Abt, New York City, of the bar of the Court of Appeals of New York, pro hac vice, by special leave of Court, and Mr. Joseph Forer, Washington, D.C., for petitioner. Mr. George R. Gallagher, Gen. Counsel, Subversive Activities Control Board, with whom Messrs. Frank R. Hunter, Jr., and Leo M. Pellerzi, Asst. Gen. Counsel, Subversive Activities Control Board, and Messrs. Harold D. Koffsky