National Museum of Nuclear Science & History
J. I. Smith served in the 390th Air Service Group.
Leander J. Baur served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator regularly assigned first to Luke the Spook and later to Big Stink.
S. H. Hall worked for the Roane-Anderson Company.
Staff Sergeant Edward F. O’Mara enlisted in the U.S. Army in 1942. Because of a blood condition, Army officials determined that he was not fit for combat duty.
Howard Braasch was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.