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.

Other awards

• Albert Lasker Award for Clinical Medical Research in 1995
• Gairdner Foundation International Award in 1996
• list of additional awards