John H. Hammond Jr.
E8789
John H. Hammond Jr. was a highly influential American record producer and talent scout who discovered and promoted major artists such as Billie Holiday, Bob Dylan, and Bruce Springsteen.
All labels observed (8)
| Label | Occurrences |
|---|---|
| John H. Hammond | 10 |
| John Hammond | 9 |
| John H. Hammond Jr. canonical | 7 |
| John H. Hammond Sr. | 1 |
| John Henry Hammond | 1 |
| John Henry Hammond II | 1 |
| John Henry Hammond Jr. | 1 |
| John Henry Hammond Sr. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2334 — 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: John H. Hammond Jr. Context triple: [Edwin H. Armstrong, relative, John H. Hammond Jr.]
-
A.
Harold A. Wheeler
Harold A. Wheeler was an influential American electrical engineer and inventor known for his pioneering contributions to radio and radar technology.
-
B.
Harold Hazen
Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
-
C.
John V. L. Hogan
John V. L. Hogan was an American radio engineer and pioneer in early radio technology and broadcasting.
-
D.
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.
-
E.
Henry Darwin Rogers
Henry Darwin Rogers was a 19th-century American geologist best known for directing the first geological survey of Pennsylvania and advancing the study of Appalachian geology.
- 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: John H. Hammond Jr. Target entity description: John H. Hammond Jr. was a highly influential American record producer and talent scout who discovered and promoted major artists such as Billie Holiday, Bob Dylan, and Bruce Springsteen.
-
A.
Harold A. Wheeler
Harold A. Wheeler was an influential American electrical engineer and inventor known for his pioneering contributions to radio and radar technology.
-
B.
Harold Hazen
Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
-
C.
John V. L. Hogan
John V. L. Hogan was an American radio engineer and pioneer in early radio technology and broadcasting.
-
D.
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.
-
E.
Henry Darwin Rogers
Henry Darwin Rogers was a 19th-century American geologist best known for directing the first geological survey of Pennsylvania and advancing the study of Appalachian geology.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
civil rights activist
ⓘ
human ⓘ music critic ⓘ record producer ⓘ talent scout ⓘ |
| causeOfDeath | stroke ⓘ |
| child | John P. Hammond ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1910-12-15 ⓘ |
| dateOfDeath | 1987-07-10 ⓘ |
| educatedAt | Yale University ⓘ |
| employer | Columbia Records ⓘ |
| ethnicGroup | White American ⓘ |
| familyName | Hammond ⓘ |
| father |
John Henry Hammond
ⓘ
linked to:
John H. Hammond Jr.
|
| fullName |
John Henry Hammond Jr.
ⓘ
linked to:
John H. Hammond Jr.
|
| genre |
blues
ⓘ
folk music ⓘ jazz ⓘ rock music ⓘ |
| givenName | John ⓘ |
| knownFor |
advocacy for racial integration in American music industry
ⓘ
discovering and promoting Billie Holiday ⓘ discovering and promoting Bob Dylan ⓘ discovering and promoting Bruce Springsteen ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | Hammond family ⓘ |
| mother | Emily Vanderbilt Sloane ⓘ |
| movement |
civil rights movement
ⓘ
linked to:
American civil rights movement
|
| notableEvent |
organized 1938 From Spirituals to Swing concert at Carnegie Hall
ⓘ
organized 1939 From Spirituals to Swing concert at Carnegie Hall ⓘ |
| notableWork |
A&R work at Columbia Records
ⓘ
From Spirituals to Swing concerts ⓘ discovering Billie Holiday ⓘ promoting Aretha Franklin ⓘ promoting Benny Goodman ⓘ promoting Big Joe Turner ⓘ promoting Charlie Christian ⓘ promoting Count Basie ⓘ promoting George Benson ⓘ promoting Leonard Cohen ⓘ promoting Pete Seeger ⓘ signing Bob Dylan to Columbia Records ⓘ signing Bruce Springsteen to Columbia Records ⓘ |
| occupation |
journalist
ⓘ
music critic ⓘ record producer ⓘ talent scout ⓘ |
| placeOfBirth |
New York
ⓘ
New York City ⓘ United States of America ⓘ |
| placeOfDeath |
New York
ⓘ
New York City ⓘ United States of America ⓘ |
| sexOrGender | male ⓘ |
| spouse |
Esme O'Brien Sarnoff
ⓘ
Jemison McBride ⓘ |
| workLocation | New York City ⓘ |
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: John H. Hammond Jr. Description of subject: John H. Hammond Jr. was a highly influential American record producer and talent scout who discovered and promoted major artists such as Billie Holiday, Bob Dylan, and Bruce Springsteen.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.
linked to: John H. Hammond Jr.