National Museum of Nuclear Science & History
John Sommer worked for the Roane-Anderson Company.
Edward Walsh worked for the United States Engineer District Office.
T. L. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hoylande Young Failey was a senior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.