National Museum of Nuclear Science & History
Argersinger worked for the Stone and Webster Engineering Corporation.
Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Addison worked in the United States Engineer District Office.