Son of Mine Workers' Chief learning business. John L. Lewis, Jr., (second from left) son of the president of the United Mine Workers, listens in as his father marshalls followers in defense of the Guffey Coal Bill, now before a subcommittee of the Ways and Means Committee. From the left: John L. Lewis, Se., Lewis, Jr.; Henry Warrum, counsel for United Mine Workers, and Philip Murray, vice president of UMW and member of the NRA board. 6/18/35