National Museum of Nuclear Science & History
E. M. Rogers worked for the United States Engineer District Office.
Karl R. Fischer served in the 393rd Bombardment Squadron.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joe Greer worked for the Roane-Anderson Company.
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
