National Museum of Nuclear Science & History
Francis McHale was a security and safety man, a civilian, with the Corps of Engineers. He came to Hanford from the Pennsylvania Ordnance Works to set up fire and safety and police protection for the Manhattan Engineer District.
Nielsen worked at the 300 Area at Hanford during the Manhattan Project.
Mary Rudloff worked for the United States Engineer District Office.
Niles worked for Stone and Webster Engineering Corporation.