M. A. Sanders

Daniel J. Mullane

Daniel Mullane worked in Los Alamos from 1943 to 1945 as a technician. He helped develop a source holder for the uranium gun-type bomb before moving back to Detroit after the war.

M. R. Kay

Edward P. Hayes

Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Leo Seren

Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.