Philip Murray weeded out most of the Communists from the union over the years after the initial organizing drives as the SWOC became the United Steelworkers of America .
Philip Murray is a former UMWA associate whom Lewis installed as head of the SWOC .
Philip Murray , a former UMWA associate whom Lewis installed as head of the SWOC , weeded out most of the Communists from the union over the years after the initial organizing drives as the SWOC became the United Steelworkers of America .