Samuel A. McClung

Donald F. Smith

Howard W. Davis

Attended Purdue University.

Alvin Zelver

Al Zelver is an author and former Army intelligence officer who observed the wreckage of Hiroshima after the bombing and spent a year in Japan after the surrender.

Virginia Meschke

Virginia Meschke was a chemist and technician at the University of Chicago Met Lab. She specialized in plutonium chemistry.