Lester Germer
E259851
Lester Germer was an American physicist best known for the Davisson–Germer experiment, which provided key evidence for the wave nature of electrons and helped confirm quantum mechanics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lester Germer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1136158 — 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 Germer Context triple: [Davisson–Germer Prize in Atomic or Surface Physics, namedAfter, Lester Germer]
-
A.
Walter Blume
Walter Blume was a German aircraft designer and former World War I fighter ace best known for his work on advanced Luftwaffe aircraft during the Second World War.
-
B.
Walter Naegle
Walter Naegle is an American activist and archivist best known as the longtime partner and estate executor of civil rights leader Bayard Rustin.
-
C.
Louis Hellman
Louis Hellman is a British architect and cartoonist best known for his satirical illustrations about architecture and the built environment.
-
D.
Victor Grinich
Victor Grinich was an American electrical engineer and entrepreneur best known as one of the Traitorous Eight who co-founded Fairchild Semiconductor, helping launch Silicon Valley’s semiconductor industry.
-
E.
George Boemler
George Boemler was a film editor known for his work on classic Hollywood productions, including the musical comedy "High Society."
- 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 Germer Target entity description: Lester Germer was an American physicist best known for the Davisson–Germer experiment, which provided key evidence for the wave nature of electrons and helped confirm quantum mechanics.
-
A.
Walter Blume
Walter Blume was a German aircraft designer and former World War I fighter ace best known for his work on advanced Luftwaffe aircraft during the Second World War.
-
B.
Walter Naegle
Walter Naegle is an American activist and archivist best known as the longtime partner and estate executor of civil rights leader Bayard Rustin.
-
C.
Louis Hellman
Louis Hellman is a British architect and cartoonist best known for his satirical illustrations about architecture and the built environment.
-
D.
Victor Grinich
Victor Grinich was an American electrical engineer and entrepreneur best known as one of the Traitorous Eight who co-founded Fairchild Semiconductor, helping launch Silicon Valley’s semiconductor industry.
-
E.
George Boemler
George Boemler was a film editor known for his work on classic Hollywood productions, including the musical comedy "High Society."
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
American physicist
ⓘ
person ⓘ physicist ⓘ |
| associatedWith |
Bell Telephone Laboratories
ⓘ
surface form:
Bell Labs electron diffraction research group
|
| citizenship | United States of America ⓘ |
| coAuthorOf |
Davisson–Germer experiment
ⓘ
surface form:
Davisson–Germer electron diffraction paper
|
| collaboratedWith | Clinton Davisson ⓘ |
| contributedTo | experimental verification of de Broglie hypothesis ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Columbia University
ⓘ
New York University ⓘ |
| employer |
Bell Telephone Laboratories
ⓘ
Western Electric ⓘ
surface form:
Western Electric Company
|
| familyName | Germer ⓘ |
| fieldOfWork |
experimental physics
ⓘ
physics ⓘ quantum physics ⓘ |
| gender | male ⓘ |
| givenName | Lester ⓘ |
| hasAcademicDegree | PhD in physics ⓘ |
| hasFieldContribution |
demonstration of Bragg reflection for electrons
ⓘ
precision measurements of electron scattering angles ⓘ |
| hasNotableExperiment | Davisson–Germer experiment ⓘ |
| helpedConfirm |
quantum mechanics
ⓘ
wave–particle duality of matter ⓘ |
| influenced |
acceptance of matter waves theory
ⓘ
development of quantum mechanics ⓘ |
| knownFor |
Davisson–Germer experiment
ⓘ
evidence for wave nature of electrons ⓘ experimental confirmation of electron diffraction ⓘ |
| languageSpoken | English ⓘ |
| memberOf | American Physical Society ⓘ |
| name | Lester Halbert Germer ⓘ |
| nationality | American ⓘ |
| notableWork | Davisson–Germer experiment ⓘ |
| occupation |
physicist
ⓘ
research scientist ⓘ |
| researchArea |
electron scattering
ⓘ
surface physics ⓘ |
| studied |
electron diffraction from crystals
ⓘ
wave properties of electrons ⓘ |
| workLocation |
Murray Hill, New Jersey
ⓘ
New York ⓘ |
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 Germer Description of subject: Lester Germer was an American physicist best known for the Davisson–Germer experiment, which provided key evidence for the wave nature of electrons and helped confirm quantum mechanics.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.