National Museum of Nuclear Science & History
McGruder worked for Stone and Webster Engineering Corporation.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended the Georgia Institute of Technology.
Joyce M. Hopkins was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Beachley worked for Stone and Webster Engineering Corporation.
