National Museum of Nuclear Science & History
Greenhalgh worked in the United States Engineer District Office.
Robert Brode (1900-1986) was an American physicist. In 1941, at the outset of the war, Robert Brode went to work in the Applied Physics Laboratory at Johns Hopkins University to aid the development of the proximity fuse.
Dee McCullough began working as an instrument technician at Hanford in early 1944. As a former sound engineer, McCullough was tasked with installing nuclear safety monitors on the reactors at Hanford.