Donald C. MacPherson
E540500
Donald C. MacPherson was the injured consumer whose landmark lawsuit against Buick Motor Company helped establish modern product liability law in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Donald C. MacPherson canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4605148 — 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: Donald C. MacPherson Context triple: [MacPherson v. Buick Motor Co., plaintiff, Donald C. MacPherson]
-
A.
Donald R. McLennan
Donald R. McLennan was an American insurance executive and entrepreneur best known as the co-founder of the global professional services firm Marsh & McLennan.
-
B.
Norman Z. McLeod
Norman Z. McLeod was an American film director best known for his work on classic Hollywood comedies in the 1930s and 1940s, including films with the Marx Brothers and W.C. Fields.
-
C.
Wilfred J. McNeil
Wilfred J. McNeil was an American government official who served in senior defense-related administrative roles, including leadership of the U.S. Munitions Board during the mid-20th century.
-
D.
James L. Massey
James L. Massey was an American information theorist and cryptographer known for his fundamental contributions to coding theory, stream ciphers, and the development of the Berlekamp–Massey algorithm.
-
E.
Herbert R. O'Conor
Herbert R. O'Conor was an American Democratic politician who served as governor of Maryland and later as a U.S. senator in the mid-20th century.
- 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: Donald C. MacPherson Target entity description: Donald C. MacPherson was the injured consumer whose landmark lawsuit against Buick Motor Company helped establish modern product liability law in the United States.
-
A.
Donald R. McLennan
Donald R. McLennan was an American insurance executive and entrepreneur best known as the co-founder of the global professional services firm Marsh & McLennan.
-
B.
Norman Z. McLeod
Norman Z. McLeod was an American film director best known for his work on classic Hollywood comedies in the 1930s and 1940s, including films with the Marx Brothers and W.C. Fields.
-
C.
Wilfred J. McNeil
Wilfred J. McNeil was an American government official who served in senior defense-related administrative roles, including leadership of the U.S. Munitions Board during the mid-20th century.
-
D.
James L. Massey
James L. Massey was an American information theorist and cryptographer known for his fundamental contributions to coding theory, stream ciphers, and the development of the Berlekamp–Massey algorithm.
-
E.
Herbert R. O'Conor
Herbert R. O'Conor was an American Democratic politician who served as governor of Maryland and later as a U.S. senator in the mid-20th century.
- F. None of above. chosen
Statements (17)
| Predicate | Object |
|---|---|
| instanceOf |
court case
ⓘ
injured consumer ⓘ landmark product liability case ⓘ person ⓘ |
| areaOfLaw | product liability ⓘ |
| countryOfCitizenship |
United States
ⓘ
linked to:
United States of America
|
| hasDefendant |
Buick Motor Company
ⓘ
linked to:
Buick
|
| hasOccupation | consumer ⓘ |
| hasPlaintiff | Donald C. MacPherson ⓘ |
| involvesParty |
Buick Motor Company
ⓘ
linked to:
Buick
Donald C. MacPherson ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| knownFor | MacPherson v. Buick Motor Co. ⓘ |
| legalSignificance |
expanded manufacturer liability to consumers not in privity of contract
ⓘ
helped establish modern product liability doctrine in the United States ⓘ |
| notableFor | helping establish modern product liability law in the United States ⓘ |
| roleIn | plaintiff in MacPherson v. Buick Motor Co. ⓘ |
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: Donald C. MacPherson Description of subject: Donald C. MacPherson was the injured consumer whose landmark lawsuit against Buick Motor Company helped establish modern product liability law in the United States.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.