Robin Warren

John Robin Warren (11 June 1937 – 23 July 2024) was an Australian pathologist, Nobel laureate, and researcher who is credited with the 1979 re-discovery of the bacterium Helicobacter pylori, together with Barry Marshall. The duo proved to the medical community that the bacterium Helicobacter pylori (H. pylori) After completing his high school education at St Peter's College, Adelaide, Warren received his MBBS degree from the University of Adelaide.

Career Warren trained at the Royal Adelaide Hospital and became a Registrar in Clinical Pathology at the Institute of Medical and Veterinary Science (IMVS). There, he worked in laboratory haematology, which generated his interest in pathology. Warren helped develop a convenient diagnostic test (-urea breath-test) for detecting H. pylori in ulcer patients.

In 2005, Warren and Marshall were awarded the Nobel Prize in Medicine.

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 a Companion of the Order of Australia in 2007.

Asteroid 254863 Robinwarren, discovered by Italian amateur astronomer Silvano Casulli in 2005, was named in his honour. Winifred Warren became an accomplished psychiatrist. Following her death in 1997, Warren retired from medicine.