National Museum of Nuclear Science & History
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Edward Repass worked for the Tennessee Eastman Corporation at the Y-12 Plant.
McNeight worked in the 200 West Area at Hanford during the Manhattan Project.