J.J. Gahan

Helen Thomson

Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

E. W. Groll

J. W. Calderwood

Calderwood worked at the 200 East Area at Hanford during the Manhattan Project. 

H. R. Olson

H. R. Olson worked for the J.A. Jones Construction Company.