Barry Marshall
E394721
Barry Marshall is an Australian physician and Nobel Prize–winning scientist best known for discovering that Helicobacter pylori infection causes peptic ulcers.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Barry Marshall canonical | 4 |
| Barry J. Marshall | 2 |
| Barry James Marshall | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3876171 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barry Marshall Context triple: [University of Western Australia, notableAlumni, Barry Marshall]
-
A.
Frank Fenner
Frank Fenner was an Australian virologist and microbiologist renowned for his pivotal role in the global eradication of smallpox and his contributions to controlling myxomatosis in rabbits.
-
B.
Karl Gajdusek
Karl Gajdusek is an American screenwriter, producer, and showrunner known for his work on films such as "The King’s Man" and the TV series "Last Resort."
-
C.
Harald zur Hausen
Harald zur Hausen was a German virologist and Nobel laureate renowned for discovering the link between human papillomavirus (HPV) infection and cervical cancer.
-
D.
Harold Hodgkin
Harold Hodgkin is a notable individual who shares the Hodgkin surname, which is associated with several prominent figures in science and medicine.
-
E.
Theodor Escherich
Theodor Escherich was an Austrian pediatrician and bacteriologist best known for discovering and describing the bacterium Escherichia coli (E. coli).
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Barry Marshall Target entity description: Barry Marshall is an Australian physician and Nobel Prize–winning scientist best known for discovering that Helicobacter pylori infection causes peptic ulcers.
-
A.
Frank Fenner
Frank Fenner was an Australian virologist and microbiologist renowned for his pivotal role in the global eradication of smallpox and his contributions to controlling myxomatosis in rabbits.
-
B.
Karl Gajdusek
Karl Gajdusek is an American screenwriter, producer, and showrunner known for his work on films such as "The King’s Man" and the TV series "Last Resort."
-
C.
Harald zur Hausen
Harald zur Hausen was a German virologist and Nobel laureate renowned for discovering the link between human papillomavirus (HPV) infection and cervical cancer.
-
D.
Harold Hodgkin
Harold Hodgkin is a notable individual who shares the Hodgkin surname, which is associated with several prominent figures in science and medicine.
-
E.
Theodor Escherich
Theodor Escherich was an Austrian pediatrician and bacteriologist best known for discovering and describing the bacterium Escherichia coli (E. coli).
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Nobel laureate
ⓘ
human ⓘ physician ⓘ scientist ⓘ |
| awardReceived |
Gairdner Foundation International Award
ⓘ
Lasker Award ⓘ Nobel Prize in Physiology or Medicine ⓘ |
| coDiscovererOf | role of Helicobacter pylori in gastritis and peptic ulcer disease ⓘ |
| coDiscovererWith |
J. Robin Warren
ⓘ
linked to:
Robin Warren
|
| countryOfCitizenship | Australia ⓘ |
| dateOfBirth | 1951-09-30 ⓘ |
| educatedAt | University of Western Australia ⓘ |
| employer | University of Western Australia ⓘ |
| familyName | Marshall ⓘ |
| fieldOfWork |
gastroenterology
ⓘ
infectious disease ⓘ microbiology ⓘ |
| fullName |
Barry James Marshall
ⓘ
linked to:
Barry Marshall
|
| givenName | Barry ⓘ |
| hasChild | four children ⓘ |
| hasResearchInterest |
bacterial pathogenesis
ⓘ
gastric cancer ⓘ peptic ulcer disease ⓘ |
| honorificTitle |
AC
ⓘ
FAA ⓘ FRS ⓘ |
| influenced | modern treatment of peptic ulcer disease with antibiotics ⓘ |
| knownFor |
challenging the belief that stress and lifestyle were primary causes of peptic ulcers
ⓘ
demonstrating that Helicobacter pylori infection causes peptic ulcer disease ⓘ self-experimentation with Helicobacter pylori ⓘ |
| languageSpoken | English ⓘ |
| memberOf |
Australian Academy of Science
ⓘ
Royal Society of London ⓘ
linked to:
Royal Society
|
| NobelPrizeCategory | Physiology or Medicine ⓘ |
| NobelPrizeMotivation | for the discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease ⓘ |
| NobelPrizeYear | 2005 ⓘ |
| notableConcept | infectious etiology of common chronic diseases ⓘ |
| notableExperiment | ingested Helicobacter pylori to prove its role in gastritis ⓘ |
| notablePublication | 1984 paper on Campylobacter pyloridis (Helicobacter pylori) and gastritis ⓘ |
| occupation |
clinical researcher
ⓘ
physician ⓘ professor ⓘ |
| placeOfBirth |
Kalgoorlie, Western Australia, Australia
ⓘ
linked to:
Kalgoorlie
|
| positionHeld | Professor of Clinical Microbiology at the University of Western Australia ⓘ |
| replacedTheory | stress-based theory of peptic ulcer causation ⓘ |
| residence |
Perth, Western Australia, Australia
ⓘ
linked to:
Perth
|
| spouse | Adrienne Marshall ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Barry Marshall Description of subject: Barry Marshall is an Australian physician and Nobel Prize–winning scientist best known for discovering that Helicobacter pylori infection causes peptic ulcers.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Barry Marshall
linked to: Barry Marshall
linked to: Barry Marshall