Steve MacLean
E907101
Steve MacLean is a Canadian physicist and former astronaut who flew on two Space Shuttle missions and later served as president of the Canadian Space Agency.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Steve MacLean canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10999381 — 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: Steve MacLean Context triple: [Canadian Astronaut Corps, hasMember, Steve MacLean]
-
A.
Stephen MacLean
Stephen MacLean was an Australian screenwriter and filmmaker best known for his work on music-infused films and television, including the cult musical comedy "Starstruck" (1982).
-
B.
Mike MacLean
Mike MacLean is a screenwriter best known for his work on the cult sci-fi horror film "Sharktopus" and other genre projects.
-
C.
Andy MacMillan
Andy MacMillan was a prominent Scottish architect known for his influential modernist church and public building designs in the mid-20th century.
-
D.
Donald McAlpine
Donald McAlpine is an acclaimed Australian cinematographer known for his visually distinctive work on numerous prominent films across several decades.
-
E.
Rick MacLeish
Rick MacLeish was a high-scoring Canadian center best known for his key offensive role on the Philadelphia Flyers’ Stanley Cup–winning teams of the 1970s.
- 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: Steve MacLean Target entity description: Steve MacLean is a Canadian physicist and former astronaut who flew on two Space Shuttle missions and later served as president of the Canadian Space Agency.
-
A.
Stephen MacLean
Stephen MacLean was an Australian screenwriter and filmmaker best known for his work on music-infused films and television, including the cult musical comedy "Starstruck" (1982).
-
B.
Mike MacLean
Mike MacLean is a screenwriter best known for his work on the cult sci-fi horror film "Sharktopus" and other genre projects.
-
C.
Andy MacMillan
Andy MacMillan was a prominent Scottish architect known for his influential modernist church and public building designs in the mid-20th century.
-
D.
Donald McAlpine
Donald McAlpine is an acclaimed Australian cinematographer known for his visually distinctive work on numerous prominent films across several decades.
-
E.
Rick MacLeish
Rick MacLeish was a high-scoring Canadian center best known for his key offensive role on the Philadelphia Flyers’ Stanley Cup–winning teams of the 1970s.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Canadian astronaut
ⓘ
astronaut ⓘ human ⓘ physicist ⓘ space shuttle astronaut ⓘ |
| citizenship | Canada ⓘ |
| countryOfCitizenship | Canada ⓘ |
| employer | Canadian Space Agency NERFINISHED ⓘ |
| familyName | MacLean NERFINISHED ⓘ |
| fieldOfWork |
physics
ⓘ
space science ⓘ |
| gender | male ⓘ |
| givenName | Steven NERFINISHED ⓘ |
| hasActivity |
microgravity research
ⓘ
space science administration ⓘ spacewalk training ⓘ |
| hasEducation |
degree in physics
ⓘ
graduate studies in physics ⓘ |
| languageSpoken |
English
ⓘ
French ⓘ |
| memberOf |
Canadian astronaut corps
NERFINISHED
ⓘ
NASA astronaut corps NERFINISHED ⓘ |
| name | Steve MacLean NERFINISHED ⓘ |
| nationality | Canadian ⓘ |
| notableAchievement |
Flew on two Space Shuttle missions
ⓘ
Served as president of the Canadian Space Agency ⓘ |
| notableFor | Canadian human spaceflight ⓘ |
| notableRole |
Canadian payload specialist
ⓘ
mission specialist ⓘ |
| notableWork |
Participation in Space Shuttle mission STS-115
ⓘ
Participation in Space Shuttle mission STS-52 ⓘ |
| occupation |
astronaut
ⓘ
civil servant ⓘ physicist ⓘ |
| positionHeld | President of the Canadian Space Agency ⓘ |
| residence | Canada ⓘ |
| spaceAgency |
Canadian Space Agency
NERFINISHED
ⓘ
NASA ⓘ |
| spaceMission |
STS-115
NERFINISHED
ⓘ
STS-52 NERFINISHED ⓘ |
| workLocation |
Ontario
NERFINISHED
ⓘ
Quebec 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: Steve MacLean Description of subject: Steve MacLean is a Canadian physicist and former astronaut who flew on two Space Shuttle missions and later served as president of the Canadian Space Agency.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.