National Museum of Nuclear Science & History
F. M. Downs worked for the J.A. Jones Construction Company.
Thomas was a group adjutant with the 509th Composite Group at their headquarters in Wendover, Utah and Tinian Island in the Pacific.
H. L. Willey worked for the Edenfield Electric Company.
Roger S. Warner, Jr. was a civilian scientist who worked as part of Project Alberta, the team that transported and assembled all the components of the two atomic bombs before the August 1945 bombings of Hiroshima and Nagasaki.