Richard Loeb
E109865
Richard Loeb was an American university student and one of the infamous "Leopold and Loeb" duo who committed a highly publicized 1924 murder in Chicago.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Richard Loeb canonical | 4 |
| Richard Albert Loeb | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T915144 — 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: Richard Loeb Context triple: [Clarence Darrow, represented, Richard Loeb]
-
A.
Nathan Leopold
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."
-
B.
Seymour Durst
Seymour Durst was a prominent New York City real estate developer and patriarch of the Durst family, known for expanding The Durst Organization into a major Manhattan property empire and for his outspoken political views.
-
C.
Benjamin "Bugsy" Siegel
Benjamin "Bugsy" Siegel was a notorious American mobster and key architect of organized crime’s expansion into Las Vegas, becoming one of the most infamous figures of the early 20th-century underworld.
-
D.
Felix Rosenblueth (Pinchas Rosen)
Felix Rosenblueth, better known as Pinchas Rosen, was an Israeli jurist and statesman who served as the first Minister of Justice of Israel and played a key role in shaping the young state's legal system.
-
E.
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."
- 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: Richard Loeb Target entity description: Richard Loeb was an American university student and one of the infamous "Leopold and Loeb" duo who committed a highly publicized 1924 murder in Chicago.
-
A.
Nathan Leopold
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."
-
B.
Seymour Durst
Seymour Durst was a prominent New York City real estate developer and patriarch of the Durst family, known for expanding The Durst Organization into a major Manhattan property empire and for his outspoken political views.
-
C.
Benjamin "Bugsy" Siegel
Benjamin "Bugsy" Siegel was a notorious American mobster and key architect of organized crime’s expansion into Las Vegas, becoming one of the most infamous figures of the early 20th-century underworld.
-
D.
Felix Rosenblueth (Pinchas Rosen)
Felix Rosenblueth, better known as Pinchas Rosen, was an Israeli jurist and statesman who served as the first Minister of Justice of Israel and played a key role in shaping the young state's legal system.
-
E.
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."
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
American criminal
ⓘ
human ⓘ university student ⓘ |
| ageAtDeath | 30 ⓘ |
| ageAtTimeOfCrime | 18 ⓘ |
| birthDate | 1905-06-11 ⓘ |
| birthPlace | Chicago, Illinois, United States ⓘ |
| causeOfDeath | homicide ⓘ |
| convictedOf |
kidnapping
ⓘ
murder ⓘ |
| coPerpetratorWith | Nathan Leopold ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| crimeLocation | Chicago, Illinois, United States ⓘ |
| dateOfCrime | 1924-05-21 ⓘ |
| deathDate | 1936-01-28 ⓘ |
| deathPlace |
Stateville Correctional Center
ⓘ
surface form:
Stateville Correctional Center, Illinois, United States
|
| defenseLawyer | Clarence Darrow ⓘ |
| educatedAt |
University of Chicago
ⓘ
University of Michigan ⓘ |
| ethnicGroup |
Jewish Americans
ⓘ
surface form:
Jewish American
|
| familyName | Loeb ⓘ |
| father | Albert Henry Loeb ⓘ |
| fieldOfStudy | history ⓘ |
| fullName |
Richard Loeb
self-linksurface differs
ⓘ
surface form:
Richard Albert Loeb
|
| givenName | Richard ⓘ |
| legalCharge |
kidnapping
ⓘ
murder ⓘ |
| mannerOfDeath | stabbed by a fellow inmate ⓘ |
| mediaCoverage | subject of extensive press coverage in the 1920s ⓘ |
| motive | desire to commit the “perfect crime” ⓘ |
| notableFor |
1924 murder of Bobby Franks
ⓘ
Leopold and Loeb murder trial ⓘ
surface form:
Leopold and Loeb murder case
|
| occupation | student ⓘ |
| partnerInCrime | Nathan Leopold ⓘ |
| perpetratorOf | murder of Bobby Franks ⓘ |
| placeOfDetention | Stateville Correctional Center ⓘ |
| pleaded | guilty ⓘ |
| religion | Judaism ⓘ |
| residence |
Kenwood, Chicago
ⓘ
surface form:
Kenwood, Chicago, Illinois, United States
|
| sentence | life imprisonment plus 99 years ⓘ |
| sibling |
Allan Loeb
ⓘ
Thomas Loeb ⓘ |
| subjectOf |
film adaptations inspired by the Leopold and Loeb case
ⓘ
numerous books about the Leopold and Loeb case ⓘ |
| victim | Bobby Franks ⓘ |
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: Richard Loeb Description of subject: Richard Loeb was an American university student and one of the infamous "Leopold and Loeb" duo who committed a highly publicized 1924 murder in Chicago.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Richard Albert Loeb