In 1960 , he also served as member at large on the United States Olympic Committee .
Cross was elected in 1959 as the only United States representative to the Pan American Games Committee , on which he served until 1963 .
In 1960 , representative also served as member at large on the United States Olympic Committee .
Cross was elected in 1959 as the only United States representative to the Pan American Games Committee , on which he served until 1963 .