C. H. Greenwalt

Ercole E. Motta

Ercole E. Motta was a research assistant at the University of Chicago Met Lab. He studied ways to determine the boron content of uranium oxide.

A. J. Mosely

Mosely worked in the 200 West Area at Hanford during the Manhattan Project.

Jack H. Ruder

Fredrick “Fred” D. Johnson

Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.