Julius Edgar Lilienfeld
E133739
Julius Edgar Lilienfeld was a pioneering physicist and early inventor in semiconductor electronics, often credited with foundational work leading to the field-effect transistor.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Julius Edgar Lilienfeld canonical | 4 |
| Julius Edgar Lilienfeld (English) | 1 |
| Julius Edgar Lilienfeld (German) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1154363 — 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: Julius Edgar Lilienfeld Context triple: [Julius Edgar Lilienfeld Prize, namedAfter, Julius Edgar Lilienfeld]
-
A.
Ernst Alexanderson
Ernst Alexanderson was a Swedish-American electrical engineer and pioneer in radio and television technology, best known for developing early high-frequency alternators used in long-distance radio communication.
-
B.
Friedrich Braun
Friedrich Braun was a German civil servant best known as the father of Eva Braun, the longtime companion and later wife of Adolf Hitler.
-
C.
Michael I. Pupin
Michael I. Pupin was a Serbian-American physicist and inventor known for his pioneering work in telecommunications and long-distance telephone transmission.
-
D.
Harold Stephen Black
Harold Stephen Black was an American electrical engineer best known for inventing the negative feedback amplifier, a breakthrough that revolutionized electronics and communications.
-
E.
John Ambrose Fleming
John Ambrose Fleming was a British electrical engineer and physicist best known for inventing the vacuum tube diode, which laid the foundation for modern electronics and radio technology.
- 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: Julius Edgar Lilienfeld Target entity description: Julius Edgar Lilienfeld was a pioneering physicist and early inventor in semiconductor electronics, often credited with foundational work leading to the field-effect transistor.
-
A.
Ernst Alexanderson
Ernst Alexanderson was a Swedish-American electrical engineer and pioneer in radio and television technology, best known for developing early high-frequency alternators used in long-distance radio communication.
-
B.
Friedrich Braun
Friedrich Braun was a German civil servant best known as the father of Eva Braun, the longtime companion and later wife of Adolf Hitler.
-
C.
Michael I. Pupin
Michael I. Pupin was a Serbian-American physicist and inventor known for his pioneering work in telecommunications and long-distance telephone transmission.
-
D.
Harold Stephen Black
Harold Stephen Black was an American electrical engineer best known for inventing the negative feedback amplifier, a breakthrough that revolutionized electronics and communications.
-
E.
John Ambrose Fleming
John Ambrose Fleming was a British electrical engineer and physicist best known for inventing the vacuum tube diode, which laid the foundation for modern electronics and radio technology.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
inventor
ⓘ
person ⓘ physicist ⓘ |
| academicDegree | doctorate in physics ⓘ |
| associatedWith |
field-effect transistor patents of the late 1920s
ⓘ
history of transistor development ⓘ |
| causeOfNotability | pioneering inventor in semiconductor electronics ⓘ |
| centuryOfActivity | 20th century ⓘ |
| contributedTo |
early semiconductor device engineering
ⓘ
theoretical basis of field-effect devices ⓘ |
| countryOfCitizenship |
Austria-Hungary
ⓘ
linked to:
Austro-Hungarian Empire
United States of America ⓘ |
| dateOfBirth | 1882-04-18 ⓘ |
| dateOfDeath | 1963-08-28 ⓘ |
| educatedAt | University of Leipzig ⓘ |
| era | 20th-century physics ⓘ |
| familyName | Lilienfeld ⓘ |
| fieldOfWork |
electrical engineering
ⓘ
physics ⓘ semiconductor electronics ⓘ |
| fullName | Julius Edgar Lilienfeld ⓘ |
| givenName | Julius ⓘ |
| hasGender | male ⓘ |
| hasNameInLanguage |
Julius Edgar Lilienfeld (English)
ⓘ
linked to:
Julius Edgar Lilienfeld
Julius Edgar Lilienfeld (German) ⓘ
linked to:
Julius Edgar Lilienfeld
|
| heritage | Austro-Hungarian Jew ⓘ |
| influenced |
development of modern transistors
ⓘ
development of semiconductor electronics ⓘ |
| knownFor |
early transistor-like device patents
ⓘ
field-effect transistor principle ⓘ |
| migration | emigrated from Europe to the United States ⓘ |
| notableFor |
Lilienfeld field-effect transistor concept
ⓘ
early work on the field-effect transistor ⓘ pioneering patents in semiconductor devices ⓘ |
| notableIdea | use of an electric field to control current in a semiconductor ⓘ |
| occupation |
electrical engineer
ⓘ
inventor ⓘ physicist ⓘ |
| patent |
US patent on amplifying device using semiconductors 1920s
ⓘ
US patent on method and apparatus for controlling electric currents (field-effect transistor) 1920s ⓘ |
| placeOfBirth |
Kingdom of Galicia and Lodomeria
ⓘ
Lemberg ⓘ
linked to:
Lwów
Lviv ⓘ
linked to:
Lwów
|
| placeOfDeath | Port Chester, New York ⓘ |
| residence | United States of America ⓘ |
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: Julius Edgar Lilienfeld Description of subject: Julius Edgar Lilienfeld was a pioneering physicist and early inventor in semiconductor electronics, often credited with foundational work leading to the field-effect transistor.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Julius Edgar Lilienfeld
linked to: Julius Edgar Lilienfeld