National Museum of Nuclear Science & History
Streiby worked for Stone and Webster Engineering Corporation.
Thomas Astarita served in the 1st Ordnance Squadron.
Matthew A. Guszak served in the 1395th Miliary Police Company, Aviation.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.