Peter Anthony Butler FRS FInstP (born 22 November 1949) is a Professor of Physics at the University of Liverpool.
[1] He was elected a Fellow of the Royal Society (FRS) in 2019 for "substantial contributions to the improvement of natural knowledge".
[2] He was educated at Borden Grammar School, King's College London (BSc) and the University of Liverpool (PhD, 1974).
[3] His research area is experimental nuclear physics, especially structure of heavy nuclei.
He led a group at ISOLDE at CERN who confirmed static octupole form (pear shape) of 224Ra nuclei.