Lester Halbert Germer
E898730
Lester Halbert Germer was an American physicist best known for co-discovering electron diffraction in the Davisson–Germer experiment, which confirmed the wave nature of electrons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lester Halbert Germer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10995365 — 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: Lester Halbert Germer Context triple: [Lester Germer, name, Lester Halbert Germer]
-
A.
Murray Feshbach
Murray Feshbach was an American demographer and scholar known for his pioneering research on Soviet and Russian population, public health, and environmental issues.
-
B.
Herman Feshbach
Herman Feshbach was an influential American theoretical physicist known for his work in nuclear physics and his long association with the Massachusetts Institute of Technology.
-
C.
John Plamenatz
John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
-
D.
Edward Levi
Edward Levi was an American legal scholar and former president of the University of Chicago who served as U.S. Attorney General, where he is credited with restoring integrity to the Justice Department after the Watergate scandal.
-
E.
David Hirschfelder
David Hirschfelder is an Australian composer and musician best known for his acclaimed film scores and work on major international movies.
- 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: Lester Halbert Germer Target entity description: Lester Halbert Germer was an American physicist best known for co-discovering electron diffraction in the Davisson–Germer experiment, which confirmed the wave nature of electrons.
-
A.
Murray Feshbach
Murray Feshbach was an American demographer and scholar known for his pioneering research on Soviet and Russian population, public health, and environmental issues.
-
B.
Herman Feshbach
Herman Feshbach was an influential American theoretical physicist known for his work in nuclear physics and his long association with the Massachusetts Institute of Technology.
-
C.
John Plamenatz
John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
-
D.
Edward Levi
Edward Levi was an American legal scholar and former president of the University of Chicago who served as U.S. Attorney General, where he is credited with restoring integrity to the Justice Department after the Watergate scandal.
-
E.
David Hirschfelder
David Hirschfelder is an Australian composer and musician best known for his acclaimed film scores and work on major international movies.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
American physicist
ⓘ
person ⓘ physicist ⓘ |
| citizenship | American ⓘ |
| coAuthor |
Clinton Joseph Davisson
ⓘ
linked to:
Clinton Davisson
|
| collaboratedWith |
Clinton Joseph Davisson
ⓘ
linked to:
Clinton Davisson
|
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Columbia University
ⓘ
Rutgers University ⓘ |
| employer |
Bell Telephone Company
ⓘ
Bell Telephone Laboratories ⓘ Western Electric Company ⓘ
linked to:
Western Electric
|
| familyName | Germer ⓘ |
| fieldOfWork |
experimental physics
ⓘ
physics ⓘ |
| gender | male ⓘ |
| givenName | Lester ⓘ |
| hasAcademicDegree | PhD in physics ⓘ |
| hasNameInEnglish | Lester Halbert Germer ⓘ |
| influenced |
development of quantum mechanics
ⓘ
electron microscopy ⓘ solid-state physics ⓘ |
| knownFor |
Davisson–Germer experiment
ⓘ
co-discovery of electron diffraction ⓘ confirmation of the wave nature of electrons ⓘ |
| memberOf | American Physical Society ⓘ |
| middleName | Halbert ⓘ |
| nativeLanguage | English ⓘ |
| notableAchievement |
helped confirm de Broglie hypothesis for electrons
ⓘ
provided experimental evidence for electron wave behavior ⓘ |
| notableExperiment | electron diffraction from a nickel crystal ⓘ |
| notableWork | Davisson–Germer experiment ⓘ |
| occupation |
physicist
ⓘ
research scientist ⓘ |
| researchArea |
electron scattering
ⓘ
surface physics ⓘ wave–particle duality ⓘ |
| workLocation | Bell Telephone Laboratories ⓘ |
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: Lester Halbert Germer Description of subject: Lester Halbert Germer was an American physicist best known for co-discovering electron diffraction in the Davisson–Germer experiment, which confirmed the wave nature of electrons.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.