National Museum of Nuclear Science & History
Reynolds worked for Stone and Webster Engineering Corporation.
John R. Kauffman served in the 509th Headquarters and Base Services Squadron.
A. V. Peterson worked for the United States Engineer District Office.
Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.
Richard “Dick” H. Nelson served as a private first class in the 509th Composite Group. He was the radio operator on the Enola Gay during its mission to Hiroshima.
