National Museum of Nuclear Science & History
Edward Smith was a chemical engineer employed by the civilian contractor Eastman Kodak at the K-25 Plant in Oak Ridge, Tennessee.
G. E. Boyd worked for Clinton Laboratories at the X-10 Reactor.
Jacob H. Wiens was a nuclear physicist who worked on the Manhattan Project from 1943 to 1945. He later worked at the Lawrence Livermore National Laboratory where he interacted with Luis Alvarez.
H. L. Smith worked for the Roane-Anderson Company.