John Martyn Harlow
E594615
John Martyn Harlow was a 19th-century American physician best known for documenting the famous case of Phineas Gage, which became foundational in the study of brain function and personality.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Martyn Harlow canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6454627 — 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: John Martyn Harlow Context triple: [Phineas Gage, studiedBy, John Martyn Harlow]
-
A.
Errol Christie
Errol Christie was a British professional boxer and former amateur champion known for captaining the English amateur boxing team and competing as a middleweight in the 1980s.
-
B.
Michael Hamlyn
Michael Hamlyn is a film producer best known for his work on the acclaimed Australian comedy-drama "The Adventures of Priscilla, Queen of the Desert."
-
C.
Alan Barlow
Alan Barlow was the husband of British botanist and editor Nora Barlow, granddaughter and biographer of Charles Darwin.
-
D.
Denys Cowan
Denys Cowan is an American comic book artist and producer best known for his influential work at DC Comics and as a founding figure behind the groundbreaking, Black-led publisher Milestone Media.
-
E.
John Hoyland
John Hoyland was a prominent British abstract painter known for his bold use of color and large-scale, non-figurative works.
- 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: John Martyn Harlow Target entity description: John Martyn Harlow was a 19th-century American physician best known for documenting the famous case of Phineas Gage, which became foundational in the study of brain function and personality.
-
A.
Errol Christie
Errol Christie was a British professional boxer and former amateur champion known for captaining the English amateur boxing team and competing as a middleweight in the 1980s.
-
B.
Michael Hamlyn
Michael Hamlyn is a film producer best known for his work on the acclaimed Australian comedy-drama "The Adventures of Priscilla, Queen of the Desert."
-
C.
Alan Barlow
Alan Barlow was the husband of British botanist and editor Nora Barlow, granddaughter and biographer of Charles Darwin.
-
D.
Denys Cowan
Denys Cowan is an American comic book artist and producer best known for his influential work at DC Comics and as a founding figure behind the groundbreaking, Black-led publisher Milestone Media.
-
E.
John Hoyland
John Hoyland was a prominent British abstract painter known for his bold use of color and large-scale, non-figurative works.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
physician ⓘ |
| birthDate | 1819-11-25 ⓘ |
| causeOfNotability | detailed long-term follow-up of Phineas Gage ⓘ |
| contributedTo | study of brain function and personality ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| deathDate | 1907-05-13 ⓘ |
| described | effects of frontal lobe damage on personality ⓘ |
| documented | Phineas Gage brain injury case ⓘ |
| educatedAt | Jefferson Medical College ⓘ |
| familyName | Harlow ⓘ |
| fieldOfWork |
medicine
ⓘ
neurology ⓘ neuropsychology ⓘ |
| gender | male ⓘ |
| givenName | John ⓘ |
| hasPatient | Phineas Gage ⓘ |
| hasWorkSubject |
brain function
ⓘ
frontal lobe injury ⓘ personality change ⓘ |
| inferred | relationship between frontal lobes and personality ⓘ |
| influenced |
early neuroscience
ⓘ
neuropsychology of personality ⓘ |
| knownFor | early documentation of personality change after brain injury ⓘ |
| languageOfWorkOrName | English ⓘ |
| medicalSchool | Jefferson Medical College ⓘ |
| name | John Martyn Harlow ⓘ |
| notableFor | case study of Phineas Gage ⓘ |
| occupation | physician ⓘ |
| partOf |
history of neuroscience
ⓘ
history of psychology ⓘ |
| performed | clinical observations on Phineas Gage ⓘ |
| placeOfBirth | Whitehall, New York ⓘ |
| placeOfDeath | Woburn, Massachusetts ⓘ |
| publication |
Passage of an Iron Rod through the Head
ⓘ
Recovery from the Passage of an Iron Bar through the Head ⓘ |
| publishedIn |
Boston Medical and Surgical Journal
ⓘ
linked to:
New England Journal of Medicine
|
| residence | Woburn, Massachusetts ⓘ |
| studied | Phineas Gage ⓘ |
| timePeriod | 19th century ⓘ |
| wroteAbout | changes in social behavior after brain injury ⓘ |
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: John Martyn Harlow Description of subject: John Martyn Harlow was a 19th-century American physician best known for documenting the famous case of Phineas Gage, which became foundational in the study of brain function and personality.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.