National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
William F. Lightfoot worked on the fuse of the “Fat Man” implosion bomb as manufacturing and test equipment manager for the Raytheon Company.
Jane Yantis was the wife of a petroleum engineer, Carl Yantis, who worked at the Oak Ridge site during the Manhattan Project.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
