Bart Bok
E552639
Bart Bok was a Dutch-American astronomer renowned for his work on the structure of the Milky Way and the study of dark Bok globules in interstellar space.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bart Bok canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5721044 — 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: Bart Bok Context triple: [Harvard College Observatory, notablePerson, Bart Bok]
-
A.
Harlow Shapley
Harlow Shapley was an American astronomer best known for mapping the Milky Way’s size and structure and determining the Sun’s position within the galaxy.
-
B.
A. S. Abell
A. S. Abell was an American publisher best known as the founder of the Baltimore Sun newspaper.
-
C.
Jan Oort
Jan Oort was a Dutch astronomer renowned for his pioneering work on the structure and dynamics of the Milky Way and for proposing the existence of the distant cometary reservoir now known as the Oort cloud.
-
D.
Walter Baade
Walter Baade was a German astronomer whose work on variable stars and the structure of the Milky Way led to a major revision of the cosmic distance scale and our understanding of the universe’s size and age.
-
E.
Hendrik C. van de Hulst
Hendrik C. van de Hulst was a Dutch astronomer and physicist best known for predicting the 21-cm hydrogen line, which became a cornerstone of radio astronomy.
- 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: Bart Bok Target entity description: Bart Bok was a Dutch-American astronomer renowned for his work on the structure of the Milky Way and the study of dark Bok globules in interstellar space.
-
A.
Harlow Shapley
Harlow Shapley was an American astronomer best known for mapping the Milky Way’s size and structure and determining the Sun’s position within the galaxy.
-
B.
A. S. Abell
A. S. Abell was an American publisher best known as the founder of the Baltimore Sun newspaper.
-
C.
Jan Oort
Jan Oort was a Dutch astronomer renowned for his pioneering work on the structure and dynamics of the Milky Way and for proposing the existence of the distant cometary reservoir now known as the Oort cloud.
-
D.
Walter Baade
Walter Baade was a German astronomer whose work on variable stars and the structure of the Milky Way led to a major revision of the cosmic distance scale and our understanding of the universe’s size and age.
-
E.
Hendrik C. van de Hulst
Hendrik C. van de Hulst was a Dutch astronomer and physicist best known for predicting the 21-cm hydrogen line, which became a cornerstone of radio astronomy.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Dutch-American
ⓘ
astronomer ⓘ |
| awardReceived |
Bruce Medal
NERFINISHED
ⓘ
Henry Norris Russell Lectureship NERFINISHED ⓘ |
| birthName | Bartholomeus Jan Bok NERFINISHED ⓘ |
| coAuthor | Priscilla Fairfield Bok NERFINISHED ⓘ |
| countryOfCitizenship |
Netherlands
ⓘ
United States of America ⓘ |
| dateOfBirth | 1906-04-28 ⓘ |
| dateOfDeath | 1983-08-05 ⓘ |
| educatedAt |
Leiden University
NERFINISHED
ⓘ
University of Groningen NERFINISHED ⓘ |
| employer |
Australian National University
NERFINISHED
ⓘ
Harvard University ⓘ University of Arizona NERFINISHED ⓘ |
| familyName | Bok NERFINISHED ⓘ |
| fieldOfWork |
Galactic astronomy
ⓘ
astronomy ⓘ astrophysics ⓘ |
| givenName | Bart NERFINISHED ⓘ |
| hasEponym |
Asteroid 1983 Bok
NERFINISHED
ⓘ
Bok globule NERFINISHED ⓘ crater Bok on the Moon NERFINISHED ⓘ |
| influenced | research on Galactic structure in the 20th century ⓘ |
| knownFor |
popularization of astronomy
ⓘ
research on Bok globules ⓘ studies of the structure of the Milky Way ⓘ |
| languageSpoken |
Dutch
ⓘ
English ⓘ |
| memberOf |
American Astronomical Society
NERFINISHED
ⓘ
Royal Astronomical Society NERFINISHED ⓘ |
| notableStudent | Paul W. Hodge NERFINISHED ⓘ |
| notableWork | The Milky Way (book) NERFINISHED ⓘ |
| placeOfBirth | Hoorn, Netherlands NERFINISHED ⓘ |
| placeOfDeath | Tucson, Arizona, United States of America NERFINISHED ⓘ |
| placeOfResidence |
Cambridge, Massachusetts, United States of America
NERFINISHED
ⓘ
Canberra, Australia NERFINISHED ⓘ Tucson, Arizona, United States of America NERFINISHED ⓘ |
| positionHeld |
director of Mount Stromlo Observatory
ⓘ
director of Steward Observatory ⓘ |
| researchInterest |
dark nebulae
ⓘ
interstellar medium ⓘ star formation ⓘ |
| spouse | Priscilla Fairfield Bok NERFINISHED ⓘ |
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: Bart Bok Description of subject: Bart Bok was a Dutch-American astronomer renowned for his work on the structure of the Milky Way and the study of dark Bok globules in interstellar space.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.