National Museum of Nuclear Science & History
Charles Schoder was a staff worker at Los Alamos during the Manhattan Project.
Arthur M. Utley Jr. served in the First Ordnance Squadron.
Grimsrud worked at the 300 Area at Hanford during the Manhattan Project.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.