National Museum of Nuclear Science & History
J. R. Smith worked for the Roane-Anderson Company.
Warren H. Burgus was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
Timmerman worked at the 300 Area at Hanford during the Manhattan Project.
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.