Francis J. Hatcher

Jas Walker

Jas Walker worked for the Roane-Anderson Company.

Okey B. Ellison

Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. L. Straughen

Mary V. Leonard

Leonard worked in the 300 Area at Hanford during the Manhattan Project.