National Museum of Nuclear Science & History
R. R. Wischmeyer worked for the Midwest Piping and Supply Company.
Greenwalt worked at the 300 Area at Hanford during the Manhattan Project.
Thaddeus J. Seweryniak served in the First Ordnance Squadron.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
