National Museum of Nuclear Science & History
Howard Lowery worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Walker worked at the 100-D Area at Hanford during the Manhattan Project.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
A. F. Tyra worked for the Union Carbide & Carbon Corporation.