National Museum of Nuclear Science & History
Frei worked for Stone and Webster Engineering Corporation.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Gordon Smith was a chemical engineer in the 9812th Technical Service Unit of the U. S. Army Corps of Engineers Special Engineer Detacment at the Clinton Engineer Works in Oak Ridge.
Willie Daniels came to Hanford from Texas by way of Oklahoma, where he worked at a naval air station.