No. 14235. February 27, 1964. V. Lee McMahon, St. Louis, Mo., McMahon Zempel, St. Louis, Mo., of counsel, for petitioner. Harold Gruenberg, Gruenberg, Schobel Souders, St. Louis, Mo., for Inland Boatmen's Union of Seafarers' International Union, Atlantic, Gulf, Lakes and Inland Waters District, AFL-CIO, as amicus curiae. Marcel Mallet-Prevost, Asst. Gen. Counsel, Melvin Pollack, Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Leo N. McGuire, Atty., N.L.R.B., for respondent.