National Museum of Nuclear Science & History
H. J. Curtis worked for Clinton Laboratories at the X-10 Reactor.
Staub worked as a physicist in the Experimental division at Los Alamos during the Manhattan Project.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Charles Ragan worked for the United States Engineer District Office.