National Museum of Nuclear Science & History
L. A. Castellanos worked for the J.A. Jones Construction Company.
James Peter Sytsma served as a private in the US Army. He was part of the Provisional Military Police Detachment No.
Armstrong worked in the United States Engineer District Office.
Winford D. “Doug” Crossland was a design engineer at the K-25 Plant at Oak Ridge, TN during the Manhattan Project and a member of the Special Engineer Detachment.
Fischer worked in the United States Engineer District Office.