National Museum of Nuclear Science & History
H. G. Kercher worked for the J.A. Jones Construction Company.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
W. R. Teckentien served 390th Air Service Group.
Clark worked in the United States Engineer District Office.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
