National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
Adele Koskosky was a laboratory technician in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. O. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lorraine Barbic was a technical worker in the Chemical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.