National Museum of Nuclear Science & History
H. F. Zimmerman worked for the J.A. Jones Construction Company.
Leifermann worked in the 100 D Area at Hanford during the Manhattan Project.
William L. Strohecker (1900-1986) was a civil scientist working at Los Alamos during the Manhattan Project.
W. A. Bogdanowiez worked for the Tennessee Eastman Corporation at the Y-12 Plant.