National Museum of Nuclear Science & History
W. B. Hembree worked for the Roane-Anderson Company.
Mary Kelly was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Langworthy worked in the 200 East Area at Hanford during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.