National Museum of Nuclear Science & History
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.
Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. A. Coster worked for the Union Carbide & Carbon Corporation.
J. L. Hartman worked for the J.A. Jones Construction Company.