National Museum of Nuclear Science & History
H. M. Kolodkin worked for the Roane-Anderson Company.
Fred Lederer worked for the Roane-Anderson Company.
Lorraine Barbic was a technical worker in the Chemical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.