James W. Jolly

E. Mayford Huff

Mayford Huff worked for the United States Engineer District Office.

E.G. Jones

W.G. Chmielewski

W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Fred Atkinson

Fred Atkinson worked for the H. E. Anning Company.