National Museum of Nuclear Science & History
William Stephenson worked for the J.A. Jones Construction Company.
Jackson M. Clement served in the 393rd Bombardment Squadron.
Jimmie Sparrow served in the 390th Air Service Group.
John M. “Jack” Hubbard was an American meteorologist. Considered one of the brightest meteorologists in the world by the early 1940s, Hubbard was a former student of the renowned meteorologist Irving Crick.
Richard Fox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
