National Museum of Nuclear Science & History
J. G. Pettis worked for the Roane-Anderson Company.
J. Goodwin worked for the Comstock-Bryant Electric Company.
Wynona Naranjo was a staff worker at Los Alamos during the Manhattan Project.
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
