Anders Jonas Ångström
E174107
Anders Jonas Ångström was a 19th-century Swedish physicist and pioneer of spectroscopy whose work on the solar spectrum and measurement of wavelengths led to the angstrom unit being named in his honor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Anders Jonas Ångström canonical | 8 |
| A. J. Ångström | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1510233 — 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: Anders Jonas Ångström Context triple: [Uppsala University, hasNotableAlumnus, Anders Jonas Ångström]
-
A.
Svante Arrhenius
Svante Arrhenius was a pioneering Swedish chemist and physicist best known for founding physical chemistry, formulating the Arrhenius equation for reaction rates, and proposing one of the first quantitative theories of the greenhouse effect.
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B.
Gunnar Nordström
Gunnar Nordström was a Finnish theoretical physicist known for his early work on scalar theories of gravitation and contributions to the development of general relativity.
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C.
Carl Wilhelm Cederhielm
Carl Wilhelm Cederhielm was an 18th-century Swedish nobleman and scholar best known as one of the founders of the Royal Swedish Academy of Sciences.
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D.
Carl Emil Wilhelm Andersson
Carl Emil Wilhelm Andersson, better known as Carl Milles, was a prominent Swedish sculptor renowned for his expressive fountains and monumental public works in the early 20th century.
-
E.
Manne Siegbahn
Manne Siegbahn was a Swedish physicist and Nobel laureate renowned for his pioneering work in X-ray spectroscopy and atomic physics.
- 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: Anders Jonas Ångström Target entity description: Anders Jonas Ångström was a 19th-century Swedish physicist and pioneer of spectroscopy whose work on the solar spectrum and measurement of wavelengths led to the angstrom unit being named in his honor.
-
A.
Svante Arrhenius
Svante Arrhenius was a pioneering Swedish chemist and physicist best known for founding physical chemistry, formulating the Arrhenius equation for reaction rates, and proposing one of the first quantitative theories of the greenhouse effect.
-
B.
Gunnar Nordström
Gunnar Nordström was a Finnish theoretical physicist known for his early work on scalar theories of gravitation and contributions to the development of general relativity.
-
C.
Carl Wilhelm Cederhielm
Carl Wilhelm Cederhielm was an 18th-century Swedish nobleman and scholar best known as one of the founders of the Royal Swedish Academy of Sciences.
-
D.
Carl Emil Wilhelm Andersson
Carl Emil Wilhelm Andersson, better known as Carl Milles, was a prominent Swedish sculptor renowned for his expressive fountains and monumental public works in the early 20th century.
-
E.
Manne Siegbahn
Manne Siegbahn was a Swedish physicist and Nobel laureate renowned for his pioneering work in X-ray spectroscopy and atomic physics.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
academic
ⓘ
human ⓘ physicist ⓘ scientific publication ⓘ spectroscopist ⓘ unit of length ⓘ |
| academicDegree | doctorate in physics ⓘ |
| author | Anders Jonas Ångström ⓘ |
| causeOfDeath | pneumonia ⓘ |
| centuryOfActivity | 19th century ⓘ |
| contributedTo |
development of quantitative spectroscopy
ⓘ
mapping of Fraunhofer lines ⓘ |
| countryOfCitizenship | Sweden ⓘ |
| dateOfBirth | 1814-08-13 ⓘ |
| dateOfDeath | 1874-06-21 ⓘ |
| educatedAt | Uppsala University ⓘ |
| employer | Uppsala University ⓘ |
| equals | 1e-10 metre ⓘ |
| fieldOfWork |
astronomy
ⓘ
optics ⓘ physics ⓘ spectroscopy ⓘ |
| hasFamilyName |
Ångström
ⓘ
linked to:
Åström
|
| hasGivenName | Anders ⓘ |
| hasMiddleName | Jonas ⓘ |
| hasUnitNamedAfter | ångström ⓘ |
| influenced |
development of astrophysics
ⓘ
precision metrology of wavelengths ⓘ |
| knownFor |
detailed study of the solar spectrum
ⓘ
introduction of the angstrom unit for wavelength ⓘ pioneering work in spectroscopy ⓘ precise measurement of spectral wavelengths ⓘ |
| languageOfWorkOrName | Swedish ⓘ |
| memberOf |
Royal Society of Sciences in Uppsala
ⓘ
Royal Swedish Academy of Sciences ⓘ |
| nativeLanguage | Swedish ⓘ |
| notableWork | Recherches sur le spectre solaire ⓘ |
| placeOfBirth | Lögdö, Medelpad, Sweden ⓘ |
| placeOfDeath |
Uppsala, Sweden
ⓘ
linked to:
Uppsala
|
| positionHeld |
professor of physics at Uppsala University
ⓘ
secretary of the Royal Society of Sciences in Uppsala ⓘ |
| researchFocus |
emission and absorption spectra
ⓘ
solar spectrum ⓘ spectral lines of chemical elements ⓘ |
| sexOrGender | male ⓘ |
| symbol | Å ⓘ |
| workLocation |
Uppsala, Sweden
ⓘ
linked to:
Uppsala
|
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: Anders Jonas Ångström Description of subject: Anders Jonas Ångström was a 19th-century Swedish physicist and pioneer of spectroscopy whose work on the solar spectrum and measurement of wavelengths led to the angstrom unit being named in his honor.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.