National Museum of Nuclear Science & History
Cowan worked at the 100-B Area at Hanford during the Manhattan Project.
Carl Helrich (1895-1971) was a civil engineer for the J.A. Construction Company from 1943 to 1945 and helped construct the Oak Ridge town site and plant area.
Emmery H. Zweber served in the 1395th Military Police Aviation.
Joe P. Tobias served in the 1395th Military Police Aviation.
