National Museum of Nuclear Science & History
Mars worked for Stone and Webster Engineering Corporation.
Antoinette Cichy was a nurse in the main infirmary at Los Alamos, handling classified documents and classified medical cases.
Ben Bluestein worked at Los Alamos during the Manhattan Project.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.