National Museum of Nuclear Science & History
Annen worked for Stone and Webster Engineering Corporation.
Major Frank P. Erichsen worked at 100-F Area at Hanford during the Manhattan Project. One of the leading U.
W. E. Goodwin worked for the Roane-Anderson Company.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
