National Museum of Nuclear Science & History
R. A. Mathews worked for the United States Engineer District Office.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ira C. Weatherly served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the pilot on the Straight Flush during the Hiroshima mission.
