Raymond Welle

J. F. McComb, Jr.

J. F. McComb, Jr. worked for the Bethlehem Steel Corporation.

Rachel Erlanger

Rachel “Rae” Erlanger worked on the Manhattan Project for the Kellex Corporation. She grew up in New York City.

J. R. Hills

Anthony J. Matz

Anthony J. (“Tony”) Matz was a procurement officer at the University of Chicago Met Lab. He helped obtain, handle, and move many of the materials for Chicago Pile-1 and witnessed it going critical on December 2, 1942.