National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
M. F. Welch worked for the United States Engineer District Office.
W. W. Daynes worked at the 100-F Area at Hanford during the Manhattan Project.
Barrett worked for Stone and Webster Engineering Corporation.
Carr worked at the 200 West Area at Hanford during the Manhattan Project.
