National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
Hale worked at the 200 West Area at Hanford during the Manhattan Project.
B. B. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.