Walter Groeger

Jas T. Goyer

Jas T. Goyer worked for the J.A. Jones Construction Company.

Arthur H. Jaffey

Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Clement F. Toft

Clement Frederick Toft (1922-1977) worked at Los Alamos during the Manhattan Project. 

Elmer R. Twining