National Museum of Nuclear Science & History
H. F. Zimmerman worked for the J.A. Jones Construction Company.
Crenner worked at the 300 Area at Hanford during the Manhattan Project.
Schrader worked at the 200 West Area at Hanford during the Manhattan Project.
W. M. Mathis worked for Clinton Laboratories at the X-10 Reactor.
Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
