National Museum of Nuclear Science & History
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
Charles A. McKenny served in the 393rd Bombardment Squadron.
P. G. Elliott worked at the 200 West Area at Hanford during the Manhattan Project.
J. D. Renfroe worked for Clinton Laboratories at the X-10 Reactor.
Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.