National Museum of Nuclear Science & History
O. E. Brueggeman worked for the J.A. Jones Construction Company.
Rose C. Mooney-Slater (1902-1981) was a physicist and crystallographer at the University of Chicago Met Lab.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.