Phineas Gage
E139960
Phineas Gage was a 19th-century American railroad worker who survived a severe brain injury from an iron tamping rod, becoming a famous case study in neuroscience and the relationship between brain function and personality.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Phineas Gage canonical | 10 |
| 1848 Phineas Gage railroad accident | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1220091 — 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: Phineas Gage Context triple: [Gage, hasNotableBearer, Phineas Gage]
-
A.
John Henry Patterson
John Henry Patterson was an American industrialist and business pioneer best known for building the National Cash Register Company (NCR) into a major corporation and for innovating modern sales and management techniques.
-
B.
Charles McNaughton
Charles McNaughton was a British actor active in the early 20th century, known for his character roles in films and on stage.
-
C.
Hudson Stuck
Hudson Stuck was an Anglican archdeacon, missionary, and mountaineer best known for leading the first successful ascent of Denali in 1913.
-
D.
Elias Loomis
Elias Loomis was a 19th-century American mathematician and physicist known for his work in astronomy, meteorology, and mathematical education.
-
E.
Darold Knowles
Darold Knowles is a former Major League Baseball relief pitcher best known for his role in the Oakland Athletics' early-1970s championship teams and for pitching in all seven games of the 1973 World Series.
- 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: Phineas Gage Target entity description: Phineas Gage was a 19th-century American railroad worker who survived a severe brain injury from an iron tamping rod, becoming a famous case study in neuroscience and the relationship between brain function and personality.
-
A.
John Henry Patterson
John Henry Patterson was an American industrialist and business pioneer best known for building the National Cash Register Company (NCR) into a major corporation and for innovating modern sales and management techniques.
-
B.
Charles McNaughton
Charles McNaughton was a British actor active in the early 20th century, known for his character roles in films and on stage.
-
C.
Hudson Stuck
Hudson Stuck was an Anglican archdeacon, missionary, and mountaineer best known for leading the first successful ascent of Denali in 1913.
-
D.
Elias Loomis
Elias Loomis was a 19th-century American mathematician and physicist known for his work in astronomy, meteorology, and mathematical education.
-
E.
Darold Knowles
Darold Knowles is a former Major League Baseball relief pitcher best known for his role in the Oakland Athletics' early-1970s championship teams and for pitching in all seven games of the 1973 World Series.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
medical case study subject ⓘ railroad worker ⓘ |
| associatedWith |
Harvard Medical School
ⓘ
Massachusetts General Hospital ⓘ |
| causeOfDeath | epileptic seizures ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1823 ⓘ |
| dateOfDeath | 1860 ⓘ |
| dateOfEvent | 1848 ⓘ |
| employer |
Rutland and Burlington Railroad
ⓘ
linked to:
Rutland Railroad
|
| familyName | Gage ⓘ |
| fieldOfWork | railroad construction ⓘ |
| givenName | Phineas ⓘ |
| hasEffect |
behavioral changes after accident
ⓘ
personality changes after accident ⓘ |
| hasIdentifier | subject of classic case report by J. M. Harlow ⓘ |
| hasPart |
skull of Phineas Gage
ⓘ
tamping iron of Phineas Gage ⓘ |
| hasRepresentation |
Phineas Gage skull display at Warren Anatomical Museum
ⓘ
Phineas Gage tamping iron display at Warren Anatomical Museum ⓘ |
| influenced |
research on brain and personality
ⓘ
theory of frontal lobe function ⓘ |
| injuredBodyPart |
frontal lobes
ⓘ
left frontal lobe ⓘ right frontal lobe ⓘ |
| injuryMechanism | iron tamping rod passing through skull ⓘ |
| name | Phineas Gage ⓘ |
| notableFor |
case study in neuroscience
ⓘ
evidence for relationship between brain and personality ⓘ surviving a severe brain injury ⓘ |
| occupation |
railroad construction foreman
ⓘ
stagecoach driver ⓘ |
| partOf |
history of neuroscience
ⓘ
history of psychology ⓘ |
| placeOfBirth |
Grafton County, New Hampshire
ⓘ
linked to:
Grafton County
|
| placeOfDeath | San Francisco, California ⓘ |
| placeOfEvent | Cavendish, Vermont ⓘ |
| sexOrGender | male ⓘ |
| significantEvent | 1848 tamping iron accident ⓘ |
| studiedBy |
Henry Jacob Bigelow
ⓘ
John Martyn Harlow ⓘ |
| sufferedFrom | traumatic brain injury ⓘ |
| usedFor |
evidence for localization of brain function
ⓘ
teaching case in neurology ⓘ teaching case in neuropsychology ⓘ teaching case in psychology ⓘ |
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: Phineas Gage Description of subject: Phineas Gage was a 19th-century American railroad worker who survived a severe brain injury from an iron tamping rod, becoming a famous case study in neuroscience and the relationship between brain function and personality.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Cypress Lawn Memorial Park, Colma, California, United States
linked to: Phineas Gage