Tobias Mayer
E914468
Tobias Mayer was an 18th-century German astronomer and cartographer renowned for his precise lunar tables, which significantly improved navigation at sea and contributed to solving the longitude problem.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tobias Mayer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11253278 — 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: Tobias Mayer Context triple: [Board of Longitude, notableAssociatedPerson, Tobias Mayer]
-
A.
Friedrich Bessel
Friedrich Bessel was a German astronomer and mathematician renowned for his precise measurements of stellar positions and distances, including the first reliable determination of a star’s parallax.
-
B.
Georg de Lalande
Georg de Lalande was a German architect active in the early 20th century, known for designing prominent public and governmental buildings in East Asia.
-
C.
Johann Elert Bode
Johann Elert Bode was an 18th–19th century German astronomer best known for popularizing the Titius–Bode law and for his influential star atlases and astronomical tables.
-
D.
Johann Heinrich Lambert
Johann Heinrich Lambert was an 18th-century German-Swiss polymath of the Enlightenment, renowned for his pioneering work in mathematics, physics, astronomy, and philosophy, including the first rigorous proof of the irrationality of π.
-
E.
Gottfried Kirch
Gottfried Kirch was a 17th-century German astronomer known for his systematic observations, comet discoveries, and contributions to early modern celestial cataloging.
- 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: Tobias Mayer Target entity description: Tobias Mayer was an 18th-century German astronomer and cartographer renowned for his precise lunar tables, which significantly improved navigation at sea and contributed to solving the longitude problem.
-
A.
Friedrich Bessel
Friedrich Bessel was a German astronomer and mathematician renowned for his precise measurements of stellar positions and distances, including the first reliable determination of a star’s parallax.
-
B.
Georg de Lalande
Georg de Lalande was a German architect active in the early 20th century, known for designing prominent public and governmental buildings in East Asia.
-
C.
Johann Elert Bode
Johann Elert Bode was an 18th–19th century German astronomer best known for popularizing the Titius–Bode law and for his influential star atlases and astronomical tables.
-
D.
Johann Heinrich Lambert
Johann Heinrich Lambert was an 18th-century German-Swiss polymath of the Enlightenment, renowned for his pioneering work in mathematics, physics, astronomy, and philosophy, including the first rigorous proof of the irrationality of π.
-
E.
Gottfried Kirch
Gottfried Kirch was a 17th-century German astronomer known for his systematic observations, comet discoveries, and contributions to early modern celestial cataloging.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
astronomer
ⓘ
cartographer ⓘ human ⓘ |
| awardReceived | posthumous award from the British Board of Longitude ⓘ |
| causeOfDeath | disease ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| dateOfBirth | 1723-02-17 ⓘ |
| dateOfDeath | 1762-02-20 ⓘ |
| describedBySource |
Royal Society records
ⓘ
University of Göttingen archives ⓘ
linked to:
Göttingen State and University Library
historical works on the longitude problem ⓘ |
| employer | University of Göttingen ⓘ |
| era | 18th century ⓘ |
| ethnicGroup | German ⓘ |
| familyName | Mayer ⓘ |
| fieldOfWork |
astronomy
ⓘ
cartography ⓘ navigation ⓘ |
| givenName | Tobias ⓘ |
| hasWork |
lunar tables for the moon’s motion
ⓘ
maps of Germany ⓘ star catalogues ⓘ |
| influenced |
development of nautical almanacs
ⓘ
marine navigation ⓘ |
| knownFor |
precise lunar tables
ⓘ
work on longitude determination ⓘ |
| languageOfWorkOrName |
German
ⓘ
Latin ⓘ |
| memberOf | Royal Society ⓘ |
| name | Tobias Mayer ⓘ |
| notableAchievement |
contributed to solving the longitude problem at sea
ⓘ
improved accuracy of lunar tables for navigation ⓘ |
| notableIdea | high-precision lunar theory for longitude determination ⓘ |
| notableWork |
lunar tables
ⓘ
linked to:
Tables de la Lune
|
| occupation |
astronomer
ⓘ
cartographer ⓘ |
| placeOfBirth |
Duchy of Württemberg
ⓘ
Marbach am Neckar ⓘ |
| placeOfDeath |
Electorate of Hanover
ⓘ
Göttingen ⓘ |
| sexOrGender | male ⓘ |
| studied |
celestial mechanics
ⓘ
lunar motion ⓘ |
| workLocation | Göttingen ⓘ |
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: Tobias Mayer Description of subject: Tobias Mayer was an 18th-century German astronomer and cartographer renowned for his precise lunar tables, which significantly improved navigation at sea and contributed to solving the longitude problem.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.