Michael J. Farrell

S. H. Butt

Butt worked in the United States Engineer District Office.

W.G. Chmielewski

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

Edward Althaus

P. S. Car

Car worked at the 200 West Area at Hanford during the Manhattan Project.