National Museum of Nuclear Science & History
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.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.
