National Museum of Nuclear Science & History
Parsons worked in the 300 Area at Hanford during the Manhattan Project.
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Tyson Hamel worked for the Roane-Anderson Company.
Pitzer worked for Stone and Webster Engineering Corporation.