National Museum of Nuclear Science & History
H. T. Wensel worked for the United States Engineer District Office.
Ruth Marshak was an American teacher and the wife of physicist Robert Marshak. Marshak was born in 1916.
Charles K. Krause was a consultant for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.