G.W. Sears

I. S. Taylor

Helena Calloway

Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. R. Olson

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

J. X. Myers

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