National Museum of Nuclear Science & History
Marion L. Arnold was a staff member at Los Alamos during the Manhattan Project.
W. M. Hopkins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard “Dick” H. Nelson served as a private first class in the 509th Composite Group. He was the radio operator on the Enola Gay during its mission to Hiroshima.
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
