Nathan Leopold
E108318
Nathan Leopold was an American criminal best known for participating in the infamous 1924 "Leopold and Loeb" murder case, in which he and Richard Loeb killed a young boy in a notorious attempt to commit the "perfect crime."
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nathan Leopold canonical | 17 |
| Nathan F. Leopold Jr. | 1 |
| Nathan Freudenthal Leopold Jr. | 1 |
| Nathan Leopold and Richard Loeb | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T915143 — 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: Nathan Leopold Context triple: [Clarence Darrow, represented, Nathan Leopold]
-
A.
Frank Morris
Frank Morris was a real-life American bank robber best known for his daring and still-mysterious 1962 escape from the maximum-security Alcatraz prison, later dramatized in the film "Escape from Alcatraz."
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B.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
C.
John Holmes
John Holmes was a famous American adult film actor of the 1970s and early 1980s, widely known for his prolific career and distinctive physical attributes.
-
D.
Martin Richard
Martin Richard was an eight-year-old boy from Dorchester, Massachusetts, who was tragically killed in the 2013 Boston Marathon bombing and later became a symbol of peace and resilience for the city.
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E.
Willie Horton
Willie Horton is a former Major League Baseball outfielder and designated hitter best known as a longtime Detroit Tigers star and key contributor to their 1968 World Series championship team.
- 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: Nathan Leopold Target entity description: Nathan Leopold was an American criminal best known for participating in the infamous 1924 "Leopold and Loeb" murder case, in which he and Richard Loeb killed a young boy in a notorious attempt to commit the "perfect crime."
-
A.
Frank Morris
Frank Morris was a real-life American bank robber best known for his daring and still-mysterious 1962 escape from the maximum-security Alcatraz prison, later dramatized in the film "Escape from Alcatraz."
-
B.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
C.
John Holmes
John Holmes was a famous American adult film actor of the 1970s and early 1980s, widely known for his prolific career and distinctive physical attributes.
-
D.
Martin Richard
Martin Richard was an eight-year-old boy from Dorchester, Massachusetts, who was tragically killed in the 2013 Boston Marathon bombing and later became a symbol of peace and resilience for the city.
-
E.
Willie Horton
Willie Horton is a former Major League Baseball outfielder and designated hitter best known as a longtime Detroit Tigers star and key contributor to their 1968 World Series championship team.
- F. None of above. chosen
Statements (49)
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: Nathan Leopold Description of subject: Nathan Leopold was an American criminal best known for participating in the infamous 1924 "Leopold and Loeb" murder case, in which he and Richard Loeb killed a young boy in a notorious attempt to commit the "perfect crime."
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nathan Leopold
linked to: Nathan Leopold
subject linked to:
Thomas Loeb
linked to: Nathan Leopold
subject linked to:
Artie Strauss in Compulsion