National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. G. Butler worked for the J.A. Jones Construction Company.
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
S. F. Vesser worked for the J.A. Jones Construction Company.
M. W. Bredekamp worked for the Tennessee Eastman Corporation at the Y-12 Plant.
