He served in the United States Army during World War II , from 1942 to 1946 .
He was a staff attorney of U.S. Senate Committee Investigating National Defense Programs from 1941 to 1942 .
staff attorney served in the United States Army during World War II , from 1942 to 1946 .
He was a staff attorney of U.S. Senate Committee Investigating National Defense Programs from 1941 to 1942 .