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.

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All labels observed (1)

Label Occurrences
Harold C. Mayer canonical 1

Statements (19)

Predicate Object
instanceOf American businessperson
businessperson
financier
human
investment bank
coFounded Bear Stearns
coFounder Harold C. Mayer NERFINISHED
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 (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Bear Stearns founder Harold C. Mayer