National Museum of Nuclear Science & History
E. L. Olson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Squires worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Louis J. Hefferman served in the 1395th Military Police Company, Aviation.
