Lester Crown
E151764
Lester Crown is an American industrialist, investor, and philanthropist, best known as a leading member of Chicago’s influential Crown family and a longtime figure in the aerospace and defense industry.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lester Crown canonical | 7 |
| James Crown | 1 |
| Lester Crown (relative) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1159781 — 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: Lester Crown Context triple: [Crown family, hasNotableMember, Lester Crown]
-
A.
Lester
Lester is the given name of Lester B. Pearson, the Canadian diplomat, Nobel Peace Prize laureate, and 14th prime minister of Canada.
-
B.
Lester
Lester is a surname of Irish origin borne by various notable individuals, including the diplomat Seán Lester.
-
C.
Lester del Rey
Lester del Rey was an influential American science fiction author and editor who helped shape the genre through his writing and his pivotal role in publishing.
-
D.
Rex Walters
Rex Walters is an American former professional basketball player and college coach best known for his head coaching tenure at the University of San Francisco and his sharpshooting guard play at Kansas.
-
E.
John Pleffer
John Pleffer is an Australian architect best known as the husband of acclaimed film director Gillian Armstrong.
- 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: Lester Crown Target entity description: Lester Crown is an American industrialist, investor, and philanthropist, best known as a leading member of Chicago’s influential Crown family and a longtime figure in the aerospace and defense industry.
-
A.
Lester
Lester is a surname of Irish origin borne by various notable individuals, including the diplomat Seán Lester.
-
B.
Lester
Lester is the given name of Lester B. Pearson, the Canadian diplomat, Nobel Peace Prize laureate, and 14th prime minister of Canada.
-
C.
Lester del Rey
Lester del Rey was an influential American science fiction author and editor who helped shape the genre through his writing and his pivotal role in publishing.
-
D.
Rex Walters
Rex Walters is an American former professional basketball player and college coach best known for his head coaching tenure at the University of San Francisco and his sharpshooting guard play at Kansas.
-
E.
John Pleffer
John Pleffer is an Australian architect best known as the husband of acclaimed film director Gillian Armstrong.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
billionaire
ⓘ
businessperson ⓘ human ⓘ industrialist ⓘ investor ⓘ philanthropist ⓘ |
| basedIn | Chicago metropolitan area ⓘ |
| birthDate | 1925-06-07 ⓘ |
| boardMemberOf |
Ann & Robert H. Lurie Children’s Hospital of Chicago
ⓘ
Aspen Institute ⓘ
linked to:
Aspen Institute (trustee)
Chicago Council on Global Affairs ⓘ General Dynamics ⓘ Henry Crown and Company ⓘ Museum of Science and Industry, Chicago ⓘ
linked to:
Museum of Science and Industry
Northwestern University ⓘ |
| child |
James Crown
ⓘ
Steve Crown ⓘ Susan Crown ⓘ |
| countryOfBirth | United States of America ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Harvard Business School
ⓘ
Northwestern University ⓘ |
| employer | Henry Crown and Company ⓘ |
| ethnicGroup | Jewish Americans ⓘ |
| familyName | Crown ⓘ |
| fieldOfWork |
aerospace industry
ⓘ
defense industry ⓘ investment ⓘ manufacturing ⓘ philanthropy ⓘ |
| givenName | Lester ⓘ |
| industry |
aerospace
ⓘ
construction materials ⓘ defense ⓘ real estate ⓘ |
| memberOf | Crown family ⓘ |
| name | Lester Crown ⓘ |
| nationality | American ⓘ |
| notableFamily | Crown family ⓘ |
| notableFor |
investments in aerospace and defense companies
ⓘ
leadership in the Crown family enterprises ⓘ philanthropy in Chicago ⓘ |
| notableProject |
philanthropic support for arts and education in Chicago
ⓘ
philanthropic support for medical and scientific research ⓘ |
| notableRole |
leader of Crown family business interests
ⓘ
major figure in U.S. aerospace and defense sector ⓘ |
| occupation |
business executive
ⓘ
industrialist ⓘ investor ⓘ philanthropist ⓘ |
| placeOfBirth |
Chicago
ⓘ
linked to:
City of Chicago
|
| positionHeld |
chairman of Henry Crown and Company
ⓘ
president of Material Service Corporation ⓘ |
| religion | Judaism ⓘ |
| residence |
Chicago
ⓘ
linked to:
City of Chicago
Illinois ⓘ United States of America ⓘ |
| spouse | Renée Schine Crown ⓘ |
| stateOfBirth | Illinois ⓘ |
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: Lester Crown Description of subject: Lester Crown is an American industrialist, investor, and philanthropist, best known as a leading member of Chicago’s influential Crown family and a longtime figure in the aerospace and defense industry.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.