National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
Kelly worked in the 100 D Area at Hanford during the Manhattan Project.
Virgil I. Mann served in the 320th Troop Carrier Squadron.
Walker worked at the 100-F Area at Hanford during the Manhattan Project.
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
