National Museum of Nuclear Science & History
Charles Mayette worked for Hanley & Company.
R. P. Seven worked for the United States Engineer District Office.
Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.
Attended Columbia University.
