National Museum of Nuclear Science & History
Elberta Honstein (née Lowdermilk) was the daughter of Elbert Lowdermilk, the contractor whose construction company, Lowdermilk Brothers, built roads and utility lines around Los Alamos during the Manhattan Project.
Nelle Gaddy worked for the J.A. Jones Construction Company.
Gordon Garrett grew up in Oak Ridge, Tennessee, where his father, Merrill Garrett, worked on the Manhattan Project.