National Museum of Nuclear Science & History
Holl worked for Stone and Webster Engineering Corporation.
Howard A. Thompson served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
Harold Seward worked for the Roane-Anderson Company.
Victor C. Hamister was a consultant to the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Samuel Proctor Massie Jr. (1919-2005) was an African American chemist who worked on the Manhattan Project.
