National Museum of Nuclear Science & History
Jas Howard worked for the United States Engineer District Office.
J. A. Phillips worked for the Roane-Anderson Company.
S. H. Hall worked for the Roane-Anderson Company.
Miller worked for Stone and Webster Engineering Corporation.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
