Robert Hofstadter
E641122
Robert Hofstadter was an American physicist and Nobel laureate renowned for his pioneering work on the structure of atomic nuclei and nucleons using electron scattering.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Robert Hofstadter canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6952411 — 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 Hofstadter Context triple: [Richard E. Taylor, doctoralAdvisor, Robert Hofstadter]
-
A.
Owen Chamberlain
Owen Chamberlain was an American physicist and Nobel laureate best known for co-discovering the antiproton.
-
B.
Jerome Friedman
Jerome Friedman is an American physicist and Nobel laureate renowned for his pioneering experimental work that confirmed the existence of quarks as fundamental constituents of matter.
-
C.
Leon Lederman
Leon Lederman was an American experimental physicist and Nobel laureate renowned for his pioneering work in particle physics, including the discovery of the muon neutrino and contributions to the development of the Standard Model.
-
D.
Samuel C. C. Ting
Samuel C. C. Ting is a Nobel Prize–winning American physicist renowned for co-discovering the J/ψ particle and leading major international experiments in particle and cosmic-ray physics.
-
E.
Melvin Schwartz
Melvin Schwartz was an American physicist and Nobel laureate renowned for his pioneering work in neutrino physics, including the first direct detection of the muon neutrino.
- 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 Hofstadter Target entity description: Robert Hofstadter was an American physicist and Nobel laureate renowned for his pioneering work on the structure of atomic nuclei and nucleons using electron scattering.
-
A.
Owen Chamberlain
Owen Chamberlain was an American physicist and Nobel laureate best known for co-discovering the antiproton.
-
B.
Jerome Friedman
Jerome Friedman is an American physicist and Nobel laureate renowned for his pioneering experimental work that confirmed the existence of quarks as fundamental constituents of matter.
-
C.
Leon Lederman
Leon Lederman was an American experimental physicist and Nobel laureate renowned for his pioneering work in particle physics, including the discovery of the muon neutrino and contributions to the development of the Standard Model.
-
D.
Samuel C. C. Ting
Samuel C. C. Ting is a Nobel Prize–winning American physicist renowned for co-discovering the J/ψ particle and leading major international experiments in particle and cosmic-ray physics.
-
E.
Melvin Schwartz
Melvin Schwartz was an American physicist and Nobel laureate renowned for his pioneering work in neutrino physics, including the first direct detection of the muon neutrino.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Nobel laureate
ⓘ
human ⓘ physicist ⓘ |
| academicDiscipline | physics ⓘ |
| awardReceived |
Nobel Prize in Physics
ⓘ
Nobel Prize in Physics 1961 NERFINISHED ⓘ |
| child | Douglas Hofstadter NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1915-02-05 ⓘ |
| dateOfDeath | 1990-11-17 ⓘ |
| doctoralAdvisor | Henry DeWolf Smyth NERFINISHED ⓘ |
| educatedAt |
City College of New York
NERFINISHED
ⓘ
Princeton University ⓘ |
| employer |
Princeton University
ⓘ
Stanford University ⓘ |
| familyName | Hofstadter NERFINISHED ⓘ |
| fieldOfWork |
electron scattering
ⓘ
nuclear physics ⓘ particle physics ⓘ |
| givenName | Robert ⓘ |
| hasAcademicDegree | Doctor of Philosophy in physics ⓘ |
| influenced |
development of modern nuclear physics
ⓘ
understanding of nucleon internal structure ⓘ |
| knownFor |
determination of nuclear charge distributions
ⓘ
development of high‑energy electron scattering techniques ⓘ electron scattering experiments ⓘ investigation of nucleon form factors ⓘ |
| memberOf |
American Physical Society
ⓘ
National Academy of Sciences ⓘ |
| notableAchievement |
experimental confirmation that protons and neutrons have extended structure
ⓘ
first precise measurements of nuclear charge radii using electron scattering ⓘ |
| notableStudent | Douglas Hofstadter NERFINISHED ⓘ |
| notableWork |
measurements of charge distribution in nuclei
ⓘ
pioneering studies of electron scattering in atomic nuclei ⓘ studies of nucleon structure ⓘ |
| occupation | physicist ⓘ |
| placeOfBirth | New York City ⓘ |
| placeOfDeath | Stanford, California NERFINISHED ⓘ |
| sexOrGender | male ⓘ |
| workLocation |
Princeton, New Jersey
NERFINISHED
ⓘ
Stanford, California NERFINISHED ⓘ |
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 Hofstadter Description of subject: Robert Hofstadter was an American physicist and Nobel laureate renowned for his pioneering work on the structure of atomic nuclei and nucleons using electron scattering.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.