National Museum of Nuclear Science & History
J. A. Copeland worked for the Poe Piping & Heating Company.
Jack Mullins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.
