National Museum of Nuclear Science & History
T. J. Costello worked for the Comstock-Bryant Electric Company.
Haynes worked at the 200 East Area at Hanford during the Manhattan Project.
P. T. Covington worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O'Brien worked for Stone and Webster Engineering Corporation.
Forrest Harmon worked for the Tennessee Eastman Corporation at the Y-12 Plant.
