National Museum of Nuclear Science & History
Armstrong worked at the 200 West and 300 Areas at Hanford during the Manhattan Project.
H. A. Pritchard worked for the J.A. Jones Construction Company.
William Vatter was an American accounting scholar. Vatter was born in 1905 in Cincinnati. In his early years he hoped to be a musician, and he played the violin, viola, piano and French horn.
Cofer worked in the United States Engineer District Office.
R. H. McCormick worked for the Roane-Anderson Company.