National Museum of Nuclear Science & History
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
A. M. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.