National Museum of Nuclear Science & History
H. R. Chapman worked for the H. K. Ferguson Company.
During WWII, Robert Goodell was a member of the Special Engineer Detachment (SED) and worked as the Technical Supervisor at the Y-12 Plant at Oak Ridge, TN.
Waldrop arrived at Oak Ridge in early 1944, directly after receiving his Army basic training. At Oak Ridge, he worked at the Y-12 plant during the Manhattan Project.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.
J. W. Jorden worked for the Tennessee Eastman Corporation at the Y-12 Plant.