John Robin WarrenAC (11 June 1937 – 23 July 2024) was an Australianpathologist,Nobel laureate, and researcher who is credited with the 1979 re-discovery of thebacteriumHelicobacter pylori, together withBarry Marshall.[1] The duo proved to the medical community that the bacteriumHelicobacter pylori (H. pylori)[1] is the cause of mostpeptic ulcers.[1]
In 1963, Warren was appointed Honorary Clinical Assistant in Pathology and Honorary Registrar in Haematology at Royal Adelaide Hospital. Subsequently, he lectured in pathology at Adelaide University and then became Clinical Pathology Registrar at the Royal Melbourne Hospital. In 1967, Warren was elected to theRoyal College of Pathologists of Australasia and became a senior pathologist at theRoyal Perth Hospital, where he spent the majority of his career.
An Australian documentary was made in 2006 about Warren and Marshall's road to the Nobel Prize, called "The Winner's Guide to the Nobel Prize". He was appointed aCompanion of the Order of Australia in 2007.[5]
Warren married Winifred Teresa Warren (née Williams) in the early 1960s, and together they had five children.[8] Winifred Warren became an accomplished psychiatrist. Following her death in 1997, Warren retired from medicine.[8]
Warren died inPerth, Australia, on 23 July 2024, at the age of 87.[9][10][11]