John Robin Warren
John Robin Warren AC (born 11 June 1937 in Adelaide) is an Australian pathologist, Nobel Laureate and researcher who is credited with the 1979 re-discovery of the bacterium Helicobacter pylori. He received his MBBS degree from the University of Adelaide, having completed his high school education at St Peter's College, Adelaide. In 1967 he was admitted into the Royal College of Pathologists of Australia.