National Museum of Nuclear Science & History
H. L. Russell worked for the United States Engineer District Office.
Haigh worked at the 100-F Area at Hanford during the Manhattan Project.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Morris S. Kaplan was a Chemical Engineer for the Houdaille-Hershey Company in Decatur, Illinois. Kaplan was born in Massachusetts in 1921 and grew up in Chicago, Illinois.
