National Museum of Nuclear Science & History
Nina Perkins worked for the Roane-Anderson Company.
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Roger Rasmussen was an electrical engineer and member of the Special Engineer Detachment at Los Alamos.