<Tr> <Th> Fields </Th> <Td> Nuclear science </Td> </Tr> <Tr> <Th> Institutions </Th> <Td> Lawrence Berkeley National Laboratory </Td> </Tr> <P> Albert Ghiorso (July 15, 1915--December 26, 2010) was an American nuclear scientist and co-discoverer of a record 12 chemical elements on the periodic table . His research career spanned five decades, from the early 1940s to the late 1990s . </P> <P> Ghiorso was born in California on July 15, 1915, of Italian and Spanish ancestry . He grew up in Alameda, California . As a teenager, he built radio circuitry and earned a reputation for establishing radio contacts at distances that outdid the military . </P>

Who discovered the most elements on the periodic table