Ernest Rutherford, first baron (1871 - 1937)
By 1902 Rutherford had established a new branch of physics called radioactivity. His work on radioactive decay won him the 1908 Nobel Prize in Chemistry.
He also established the nuclear theory of the atom. In 1919, he announced his success in the artificially disintegration of an atom.
He died at Cambridge, and was buried in Westminster Abbey.