1912-1999

American physicist who discovered ten atomic elements. Seaborg conducted research at his alma mater, the University of California at Berkeley. Working with colleagues, he isolated new isotopes. Seaborg was credited with identifying ten elements, including seaborgium, which was named for him. During World War II, he worked on the Manhattan Project. He won the 1951 Nobel Prize in chemistry with Edwin McMillan for their investigations of transuranium elements. Seaborg served as chairman of the Atomic Energy Commission from 1961 to 1971.