Paul Peter Ewald
E820802
Paul Peter Ewald was a German physicist and crystallographer renowned for his foundational contributions to X-ray diffraction theory and crystal optics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Paul Peter Ewald canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8370978 — 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: Paul Peter Ewald Context triple: [Ewald, notableBearer, Paul Peter Ewald]
-
A.
Gustav Wilhelm Wolff
Gustav Wilhelm Wolff was a German-born British shipbuilder and politician best known as the co-founder of the Belfast shipbuilding firm Harland and Wolff, which built many famous ocean liners including the RMS Titanic.
-
B.
Theodor Estermann
Theodor Estermann was a German-British mathematician known for his contributions to analytic number theory and his work on the distribution of prime numbers.
-
C.
Ernst David Bergmann
Ernst David Bergmann was an Israeli chemist and scientific leader who played a key role in establishing Israel’s scientific infrastructure and nuclear research program.
-
D.
Maximilian Emil Hehl
Maximilian Emil Hehl was a German-born architect known for his influential work in Brazil, most notably helping shape the neo-Gothic architectural landscape of São Paulo.
-
E.
Wilhelm Zaisser
Wilhelm Zaisser was a German communist politician and intelligence officer who became the first head of East Germany’s Ministry for State Security (Stasi) in the early 1950s.
- 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: Paul Peter Ewald Target entity description: Paul Peter Ewald was a German physicist and crystallographer renowned for his foundational contributions to X-ray diffraction theory and crystal optics.
-
A.
Gustav Wilhelm Wolff
Gustav Wilhelm Wolff was a German-born British shipbuilder and politician best known as the co-founder of the Belfast shipbuilding firm Harland and Wolff, which built many famous ocean liners including the RMS Titanic.
-
B.
Theodor Estermann
Theodor Estermann was a German-British mathematician known for his contributions to analytic number theory and his work on the distribution of prime numbers.
-
C.
Ernst David Bergmann
Ernst David Bergmann was an Israeli chemist and scientific leader who played a key role in establishing Israel’s scientific infrastructure and nuclear research program.
-
D.
Maximilian Emil Hehl
Maximilian Emil Hehl was a German-born architect known for his influential work in Brazil, most notably helping shape the neo-Gothic architectural landscape of São Paulo.
-
E.
Wilhelm Zaisser
Wilhelm Zaisser was a German communist politician and intelligence officer who became the first head of East Germany’s Ministry for State Security (Stasi) in the early 1950s.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
crystallographer
ⓘ
person ⓘ physicist ⓘ |
| academicAdvisor | Max Born NERFINISHED ⓘ |
| awardReceived |
G. B. Kistiakowsky Award
NERFINISHED
ⓘ
Max Planck Medal NERFINISHED ⓘ Roebling Medal NERFINISHED ⓘ |
| countryOfCitizenship |
German Empire
NERFINISHED
ⓘ
Germany ⓘ United Kingdom ⓘ United States of America ⓘ |
| dateOfBirth | 1888-01-23 ⓘ |
| dateOfDeath | 1985-08-22 ⓘ |
| doctoralAdvisor | Arnold Sommerfeld NERFINISHED ⓘ |
| educatedAt |
Ludwig Maximilian University of Munich
NERFINISHED
ⓘ
University of Göttingen ⓘ Ludwig Maximilian University of Munich ⓘ
surface form:
University of Munich
|
| employer |
Brooklyn Polytechnic Institute
NERFINISHED
ⓘ
Stuttgart Technische Hochschule NERFINISHED ⓘ University of Munich NERFINISHED ⓘ University of Southampton NERFINISHED ⓘ |
| familyName | Ewald NERFINISHED ⓘ |
| fieldOfWork |
X-ray diffraction
ⓘ
crystal optics ⓘ crystallography ⓘ physics ⓘ |
| givenName |
Paul
ⓘ
Peter ⓘ |
| influenced |
development of modern crystallography
ⓘ
theory of solid-state physics ⓘ |
| languageOfWorkOrName |
English
ⓘ
German ⓘ |
| memberOf |
American Crystallographic Association
NERFINISHED
ⓘ
Deutsche Physikalische Gesellschaft NERFINISHED ⓘ Royal Society ⓘ |
| notableFor |
Ewald sphere construction in reciprocal space
ⓘ
development of crystal optics ⓘ foundational contributions to X-ray diffraction theory ⓘ |
| notableWork |
Ewald sphere
NERFINISHED
ⓘ
Ewald summation method NERFINISHED ⓘ dynamical theory of X-ray diffraction in crystals ⓘ theory of crystal lattices and optical properties ⓘ |
| placeOfBirth | Berlin ⓘ |
| placeOfDeath | Ithaca, New York NERFINISHED ⓘ |
| positionHeld |
head of physics department at Brooklyn Polytechnic Institute
ⓘ
professor of physics ⓘ professor of theoretical physics ⓘ |
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: Paul Peter Ewald Description of subject: Paul Peter Ewald was a German physicist and crystallographer renowned for his foundational contributions to X-ray diffraction theory and crystal optics.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.