Val Logsdon Fitch
E790087
Val Logsdon Fitch was an American physicist and Nobel laureate renowned for his experimental discovery of CP violation in the decay of neutral K-mesons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Val Logsdon Fitch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5854338 — 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: Val Logsdon Fitch Context triple: [James Cronin, co-recipientWith, Val Logsdon Fitch]
-
A.
Francis Newton Gifford
Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
-
B.
William Fitch Arnold
William Fitch Arnold was a descendant of the American Revolutionary War figure Benedict Arnold and his wife Peggy Shippen.
-
C.
Arthur B. Frost
Arthur B. Frost was a prominent American illustrator and comics pioneer known for his detailed, humorous drawings in 19th-century books and magazines.
-
D.
William A. Wheeler
William A. Wheeler was an American politician who served as the 19th vice president of the United States under President Rutherford B. Hayes.
-
E.
Frederick P. Hamlin
Frederick P. Hamlin is an individual notable enough to be recognized as a namesake or distinguished bearer of the surname Hamlin.
- 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: Val Logsdon Fitch Target entity description: Val Logsdon Fitch was an American physicist and Nobel laureate renowned for his experimental discovery of CP violation in the decay of neutral K-mesons.
-
A.
Francis Newton Gifford
Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
-
B.
William Fitch Arnold
William Fitch Arnold was a descendant of the American Revolutionary War figure Benedict Arnold and his wife Peggy Shippen.
-
C.
Arthur B. Frost
Arthur B. Frost was a prominent American illustrator and comics pioneer known for his detailed, humorous drawings in 19th-century books and magazines.
-
D.
William A. Wheeler
William A. Wheeler was an American politician who served as the 19th vice president of the United States under President Rutherford B. Hayes.
-
E.
Frederick P. Hamlin
Frederick P. Hamlin is an individual notable enough to be recognized as a namesake or distinguished bearer of the surname Hamlin.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Nobel laureate in Physics
ⓘ
experimental physicist ⓘ human ⓘ physicist ⓘ |
| academicDegree | PhD in physics ⓘ |
| almaMater |
Columbia University
NERFINISHED
ⓘ
McGill University NERFINISHED ⓘ |
| awardReceived |
J. Robert Oppenheimer Memorial Prize
NERFINISHED
ⓘ
National Medal of Science ⓘ Nobel Prize in Physics ⓘ |
| causeOfDeath | natural causes ⓘ |
| conflictParticipatedIn | World War II ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1923-03-10 ⓘ |
| dateOfDeath | 2015-02-05 ⓘ |
| doctoralAdvisor |
James Rainwater
NERFINISHED
ⓘ
Willis Lamb NERFINISHED ⓘ |
| educatedAt |
Columbia University
ⓘ
McGill University NERFINISHED ⓘ |
| employer |
Los Alamos Laboratory
NERFINISHED
ⓘ
Princeton University ⓘ |
| ethnicGroup | European American ⓘ |
| familyName | Fitch NERFINISHED ⓘ |
| fieldOfWork |
experimental physics
ⓘ
particle physics ⓘ |
| fullName | Val Logsdon Fitch NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName | Val NERFINISHED ⓘ |
| knownFor |
CP violation in neutral K-meson decay
ⓘ
experimental discovery of CP violation ⓘ kaon physics ⓘ |
| memberOf | National Academy of Sciences ⓘ |
| militaryService | United States Army ⓘ |
| nativeLanguage | English ⓘ |
| NobelPrizeInPhysicsYear | 1980 ⓘ |
| NobelPrizeMotivation | for the discovery of violations of fundamental symmetry principles in the decay of neutral K-mesons ⓘ |
| notableStudent | David Gross NERFINISHED ⓘ |
| occupation | physicist ⓘ |
| placeOfBirth | Merriman, Nebraska, United States NERFINISHED ⓘ |
| placeOfDeath | Princeton, New Jersey, United States NERFINISHED ⓘ |
| positionHeld | professor at Princeton University ⓘ |
| researchInterest |
CP symmetry
ⓘ
kaon decay ⓘ weak interactions ⓘ |
| residence | Princeton, New Jersey, United States NERFINISHED ⓘ |
| sharedNobelPrizeWith | James Watson Cronin NERFINISHED ⓘ |
| workedOn | Manhattan Project 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: Val Logsdon Fitch Description of subject: Val Logsdon Fitch was an American physicist and Nobel laureate renowned for his experimental discovery of CP violation in the decay of neutral K-mesons.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.