National Museum of Nuclear Science & History
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
C. E. Haynes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Wilbur H. Lyon served in the 320th Troop Carrier Squadron.