National Museum of Nuclear Science & History
H. W. Brackney worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
Tom G. Ellison served in the 1st Ordnance Squadron.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
Edna Shea worked for the United States Engineer District Office as confidential secretary to Col. Stafford Warren, MD.