Harold C. Mayer
E401731
Harold C. Mayer was an American financier best known as one of the co-founders of the investment bank Bear Stearns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harold C. Mayer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2908945 — 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: Harold C. Mayer Context triple: [Bear Stearns, founder, Harold C. Mayer]
-
A.
Harold M. Shaw
Harold M. Shaw was an early American film director and actor known for his pioneering work in silent cinema during the 1910s.
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B.
Harold T. Shapiro
Harold T. Shapiro is an economist and academic leader best known for serving as president of both Princeton University and the University of Michigan and for his influential work at the intersection of higher education and public policy.
-
C.
Herbert E. Ives
Herbert E. Ives was an American physicist and engineer known for his pioneering work in optics, television, and experimental tests of special relativity.
-
D.
Harold G. Kiner
Harold G. Kiner was a United States Army soldier and Medal of Honor recipient who was killed in action during World War II.
-
E.
Harold Hecht
Harold Hecht was an American film producer and talent agent best known for co-founding Hecht-Hill-Lancaster and producing acclaimed mid-20th-century films such as "Marty."
- 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: Harold C. Mayer Target entity description: Harold C. Mayer was an American financier best known as one of the co-founders of the investment bank Bear Stearns.
-
A.
Harold M. Shaw
Harold M. Shaw was an early American film director and actor known for his pioneering work in silent cinema during the 1910s.
-
B.
Harold T. Shapiro
Harold T. Shapiro is an economist and academic leader best known for serving as president of both Princeton University and the University of Michigan and for his influential work at the intersection of higher education and public policy.
-
C.
Herbert E. Ives
Herbert E. Ives was an American physicist and engineer known for his pioneering work in optics, television, and experimental tests of special relativity.
-
D.
Harold G. Kiner
Harold G. Kiner was a United States Army soldier and Medal of Honor recipient who was killed in action during World War II.
-
E.
Harold Hecht
Harold Hecht was an American film producer and talent agent best known for co-founding Hecht-Hill-Lancaster and producing acclaimed mid-20th-century films such as "Marty."
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
American businessperson
ⓘ
businessperson ⓘ financier ⓘ human ⓘ investment bank ⓘ |
| coFounded | Bear Stearns ⓘ |
| coFounder | Harold C. Mayer ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| countryOfOrigin | United States of America ⓘ |
| employer | Bear Stearns ⓘ |
| familyName | Mayer ⓘ |
| gender | male ⓘ |
| givenName | Harold ⓘ |
| hasRole | co-founder of Bear Stearns ⓘ |
| industry |
finance
ⓘ
investment banking ⓘ |
| notableFor | co-founding Bear Stearns ⓘ |
| occupation |
financier
ⓘ
investment banker ⓘ |
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: Harold C. Mayer Description of subject: Harold C. Mayer was an American financier best known as one of the co-founders of the investment bank Bear Stearns.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Harold C. Mayer