William G. Palmer

Elinor A. Bowman

Elinor Bowman was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Robert Lyle

Robert Lyle was a member of the Special Engineering Detachment assigned to Oak Ridge, Tennessee as a chemist.

Rachel Gilbreath

Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Mabel Hiltwein