Barry Marshall

Barry J. Marshall, MBBS (born 30 September 1951 in Kalgoorlie, Western Australia) is an Australian physician and Professor of Clinical Microbiology at the University of Western Australia. He is well-known for proving that the bacteria Helicobacter pylori is the cause of most stomach ulcers, reversing decades of medical doctrine which held that ulcers were caused by stress, spicy foods, and too much acid.

External links

• Helicobacter pylori Research Laboratory
• The Nobel Prize in Physiology or Medicine 2005
• A discussion of the rate of acceptance of Marhall and Warren's work.