National Museum of Nuclear Science & History
Leonard Czarniecki served as procurement planning and control officer with 9812th Technical Services Unit (Special Engineer Detachment) at Oak Ridge, TN, with the Y-12 Plant.
Nicholson worked for Stone and Webster Engineering Corporation.
Visger worked at the 300 Area at Hanford during the Manhattan Project.
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.
