National Museum of Nuclear Science & History
M. A. Ruth worked for the United States Engineer District Office.
Albert Young was a patent attorney at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Leo James Rainwater was an American physicist and winner of the 1975 Nobel Prize in Physics. As a graduate student at Columbia University, Rainwater assisted the Manhattan Project through research in the Substitute Alloy Materials (SAM) Lab.
Gilbert N. Lewis (1875-1946) was an American physical chemist. His work with heavy water and resources were adapted by Ernest Lawrence in the development of the cyclotron.