National Museum of Nuclear Science & History
Seckendorff worked for Stone and Webster Engineering Corporation.
McCannon worked in the 200 W Area at Hanford during the Manhattan Project.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Earl Painter served in the 320th Troop Carrier Squadron.
Edward C. Sullivan worked for the Tennessee Eastman Corporation at the Y-12 Plant. After the war, he worked on the first rockets for North American Aviation, later Rocketdyne.