Robert Stroud
E16332
Robert Stroud, famously known as the "Birdman of Alcatraz," was a convicted murderer and federal prisoner who became renowned for his extensive study of birds and ornithology while incarcerated.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Robert Stroud canonical | 15 |
| Robert Franklin Stroud | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T138162 — 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: Robert Stroud Context triple: [Alcatraz Island, notableInmateHeld, Robert Stroud]
-
A.
Arthur Kill
Arthur Kill is a tidal strait between Staten Island, New York, and New Jersey that serves as a major industrial and shipping waterway in the New York–New Jersey harbor area.
-
B.
James Winchester
James Winchester was an early American military officer, politician, and land speculator who played a key role in the settlement and development of the Tennessee frontier.
-
C.
Sidney Darlington
Sidney Darlington was an American electrical engineer and inventor best known for his pioneering work in network theory and the invention of the Darlington transistor configuration.
-
D.
Robert Empie Rogers
Robert Empie Rogers was a 19th-century American chemist and educator known for his contributions to analytical chemistry and his role in advancing scientific education.
-
E.
William Felton Russell
William Felton Russell was an American professional basketball player and civil rights activist best known as the legendary Boston Celtics center who won 11 NBA championships and transformed defensive play in the sport.
- 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: Robert Stroud Target entity description: Robert Stroud, famously known as the "Birdman of Alcatraz," was a convicted murderer and federal prisoner who became renowned for his extensive study of birds and ornithology while incarcerated.
-
A.
Arthur Kill
Arthur Kill is a tidal strait between Staten Island, New York, and New Jersey that serves as a major industrial and shipping waterway in the New York–New Jersey harbor area.
-
B.
James Winchester
James Winchester was an early American military officer, politician, and land speculator who played a key role in the settlement and development of the Tennessee frontier.
-
C.
Sidney Darlington
Sidney Darlington was an American electrical engineer and inventor best known for his pioneering work in network theory and the invention of the Darlington transistor configuration.
-
D.
Robert Empie Rogers
Robert Empie Rogers was a 19th-century American chemist and educator known for his contributions to analytical chemistry and his role in advancing scientific education.
-
E.
William Felton Russell
William Felton Russell was an American professional basketball player and civil rights activist best known as the legendary Boston Celtics center who won 11 NBA championships and transformed defensive play in the sport.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
convicted murderer
ⓘ
federal prisoner ⓘ human ⓘ ornithologist ⓘ writer ⓘ |
| burialPlace | Masonic Cemetery, Metropolis, Illinois, United States ⓘ |
| causeOfDeath | natural causes ⓘ |
| convictedOf |
manslaughter
ⓘ
murder ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1890-01-28 ⓘ |
| dateOfDeath | 1963-11-21 ⓘ |
| deathSentenceCommutedBy |
Woodrow Wilson
ⓘ
surface form:
President Woodrow Wilson
|
| education | self-taught ornithology ⓘ |
| ethnicity | white American ⓘ |
| fieldOfWork |
animal pathology
ⓘ
ornithology ⓘ |
| genre | non-fiction ⓘ |
| hasInfluenceOn |
popular culture depictions of prisoners
ⓘ
public perception of Alcatraz ⓘ |
| imprisonedFor |
killing a bartender in Alaska
ⓘ
killing a prison guard at Leavenworth ⓘ |
| knownFor |
keeping and breeding canaries in prison
ⓘ
studying birds while in prison ⓘ writing about bird diseases ⓘ |
| languageOfWorkOrName | English ⓘ |
| name | Robert Stroud self-link ⓘ |
| nickname | Birdman of Alcatraz ⓘ |
| notableEvent |
denied parole multiple times
ⓘ
kept and studied hundreds of birds at Leavenworth ⓘ |
| notableWork |
Diseases of Canaries
ⓘ
Stroud’s Digest on the Diseases of Birds ⓘ |
| occupation |
author
ⓘ
ornithologist ⓘ |
| penalty | death sentence (later commuted) ⓘ |
| placeOfBirth | Seattle, Washington, United States ⓘ |
| placeOfDeath | Medical Center for Federal Prisoners, Springfield, Missouri, United States ⓘ |
| placeOfDetention |
Alcatraz Island
ⓘ
surface form:
Alcatraz Federal Penitentiary
Medical Center for Federal Prisoners, Springfield, Missouri, United States ⓘ
surface form:
Medical Center for Federal Prisoners, Springfield, Missouri
United States Penitentiary, Leavenworth ⓘ |
| portrayedBy | Burt Lancaster ⓘ |
| residence |
Seattle, Washington, United States
ⓘ
various federal prisons in the United States ⓘ |
| sentence | life imprisonment ⓘ |
| sexOrGender | male ⓘ |
| spouse | Della Mae Jones ⓘ |
| subjectOf | film Birdman of Alcatraz ⓘ |
| yearsActive | 1910s–1950s (as writer and bird researcher) ⓘ |
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: Robert Stroud Description of subject: Robert Stroud, famously known as the "Birdman of Alcatraz," was a convicted murderer and federal prisoner who became renowned for his extensive study of birds and ornithology while incarcerated.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Robert Franklin Stroud
subject surface form:
Birdman of Alcatraz
subject surface form:
Birdman of Alcatraz
subject surface form:
Birdman of Alcatraz