Eugene F. Szczepanik

Marcia W. Wooster

Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Winifred T. Koziolek

Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. R. Peatfield

R. R. Peatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W. T. Butler