Who was the referee for the boxing match between Cassius Clay and Zigzy Pietrzykowski in the 1960 Rome Olympics?

The referee for the boxing match between Cassius Clay and Zigzy Pietrzykowski at the 1960 Rome Olympics was J. W. McCarthy. Clay, competing under his birth name, won the match, which was a pivotal moment in his early career and contributed to his eventual gold medal victory in the light heavyweight division.