National Museum of Nuclear Science & History
Day worked for Stone and Webster Engineering Corporation.
W. R. Perret worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. N. Holt worked for the United States Engineer District Office.
H.W. was a consultant at Metallurgical Laboratory in Chicago during the Manhattan Project.
O’Connor worked in the 300 Area at Hanford during the Manhattan Project.
