National Museum of Nuclear Science & History
Helen Addison 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.
K. L. Mallory served in the 509th Headquarters and Base Services Squadron.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
