James Dewar
E446189
James Dewar was a Scottish chemist and physicist best known for inventing the vacuum flask and pioneering research in low-temperature physics and liquefied gases.
All labels observed (2)
| Label | Occurrences |
|---|---|
| James Dewar canonical | 6 |
| Sir James Dewar | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4485922 — 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: James Dewar Context triple: [Fullerian Professor of Chemistry, hasNotableHolder, James Dewar]
-
A.
Thomas Andrews
Thomas Andrews was a British shipbuilder and naval architect best known as the chief designer of the RMS Titanic, who perished during its sinking in 1912.
-
B.
Joseph Black
Joseph Black was an 18th-century Scottish physician and chemist renowned for his pioneering work on latent heat, specific heat, and carbon dioxide, which laid foundations for modern thermodynamics and physical chemistry.
-
C.
William Ramsay
William Ramsay was a Scottish chemist and Nobel laureate renowned for discovering the noble gases and thereby transforming the periodic table.
-
D.
Charles Victor Hall
Charles Victor Hall was an individual notable enough in life or local history to be recognized among the distinguished burials at Angelus-Rosedale Cemetery in Los Angeles.
-
E.
J. H. Frankland
J. H. Frankland is a mycologist recognized for formally describing and naming taxa within the fungal family Ophiostomataceae.
- 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: James Dewar Target entity description: James Dewar was a Scottish chemist and physicist best known for inventing the vacuum flask and pioneering research in low-temperature physics and liquefied gases.
-
A.
Thomas Andrews
Thomas Andrews was a British shipbuilder and naval architect best known as the chief designer of the RMS Titanic, who perished during its sinking in 1912.
-
B.
Joseph Black
Joseph Black was an 18th-century Scottish physician and chemist renowned for his pioneering work on latent heat, specific heat, and carbon dioxide, which laid foundations for modern thermodynamics and physical chemistry.
-
C.
William Ramsay
William Ramsay was a Scottish chemist and Nobel laureate renowned for discovering the noble gases and thereby transforming the periodic table.
-
D.
Charles Victor Hall
Charles Victor Hall was an individual notable enough in life or local history to be recognized among the distinguished burials at Angelus-Rosedale Cemetery in Los Angeles.
-
E.
J. H. Frankland
J. H. Frankland is a mycologist recognized for formally describing and naming taxa within the fungal family Ophiostomataceae.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Scottish person
ⓘ
chemist ⓘ human ⓘ physicist ⓘ |
| awardReceived |
Albert Medal
ⓘ
Davy Medal ⓘ Lavoisier Medal ⓘ Rumford Medal ⓘ |
| birthDate | 1842-09-20 ⓘ |
| birthPlace |
Kincardine-on-Forth
ⓘ
linked to:
Kincardine
Perthshire ⓘ Scotland ⓘ |
| countryOfCitizenship | United Kingdom ⓘ |
| deathDate | 1923-03-27 ⓘ |
| educatedAt | University of Edinburgh ⓘ |
| employer |
Royal Institution
ⓘ
University of Cambridge ⓘ
linked to:
Cambridge University
|
| era |
19th century
ⓘ
early 20th century ⓘ |
| familyName | Dewar ⓘ |
| fieldOfWork |
chemistry
ⓘ
low-temperature physics ⓘ physics ⓘ |
| gender | male ⓘ |
| givenName | James ⓘ |
| hasAcademicAdvisor | Lyon Playfair ⓘ |
| influenced |
development of cryogenics
ⓘ
low-temperature experimental techniques ⓘ |
| knownFor |
invention of the vacuum flask
ⓘ
liquefaction of hydrogen ⓘ research on liquefied gases ⓘ work on cryogenics ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | Royal Society ⓘ |
| name | James Dewar ⓘ |
| nativeLanguage | English ⓘ |
| notableInvention |
Dewar flask
ⓘ
vacuum flask ⓘ |
| positionHeld |
Fullerian Professor of Chemistry at the Royal Institution
ⓘ
linked to:
Fullerian Professor of Chemistry
Jacksonian Professor of Natural Philosophy at the University of Cambridge ⓘ |
| studied |
liquefaction of air
ⓘ
liquefaction of hydrogen ⓘ specific heats of gases at low temperatures ⓘ spectroscopy ⓘ |
| workLocation |
Cambridge
ⓘ
linked to:
CAMBRIDGE
London ⓘ
linked to:
London, England
|
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: James Dewar Description of subject: James Dewar was a Scottish chemist and physicist best known for inventing the vacuum flask and pioneering research in low-temperature physics and liquefied gases.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.