National Museum of Nuclear Science & History
Attended Purdue University.
J. A. Marshall worked for the Union Carbide & Carbon Corporation.
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
O'Brien worked for Stone and Webster Engineering Corporation.