National Museum of Nuclear Science & History
William Schafer was a staff worker at Los Alamos during the Manhattan Project.
Charles Mather worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. R. Siebert worked for the Comstock-Bryant Electric Company.
John Davis worked for the J.A. Jones Construction Company.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
