George Dixon Rochester, FRS (February 4, 1908 – December 26, 2001) was a British physicist known for having co-discovered, with Sir Clifford Charles Butler, a subatomic particle called the kaon.Born in Wallsend, North Tyneside in northern England, he received a Bachelor of Science degree, a Master of Science degree, and a Ph.D. from Armstrong College, Newcastle (then part of Durham University now Newcastle University).