National Museum of Nuclear Science & History
Fiedler worked in the United States Engineer District Office.
Wisner worked for Stone and Webster Engineering Corporation.
Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
