Severn A. Jackson

Edward Wilder, Jr.

Walter R. Julek

Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Velva Irwin

Velva Irwin worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She was only 16 when she began working on the Manhattan Project.

W. W. Daynes

W. W. Daynes worked at the 100-F Area at Hanford during the Manhattan Project.