Norman L. Bowen
E170089
Norman L. Bowen was a pioneering 20th-century petrologist best known for formulating Bowen’s reaction series, which fundamentally advanced the understanding of igneous rock formation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Norman L. Bowen canonical | 7 |
| Norman Levi Bowen | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1469943 — 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: Norman L. Bowen Context triple: [Murchison Medal, hasNotableRecipient, Norman L. Bowen]
-
A.
J. Tuzo Wilson
J. Tuzo Wilson was a pioneering Canadian geophysicist whose work on plate tectonics and transform faults fundamentally reshaped modern understanding of Earth's dynamic crust.
-
B.
Grove Karl Gilbert
Grove Karl Gilbert was a pioneering American geologist of the late 19th and early 20th centuries, renowned for his foundational work in geomorphology and studies of the western United States.
-
C.
Maurice Ewing
Maurice Ewing was a pioneering American geophysicist and oceanographer whose work in marine seismology and underwater acoustics fundamentally advanced the understanding of the Earth's crust and ocean basins.
-
D.
Arthur Holmes
Arthur Holmes was a pioneering British geologist whose work on radiometric dating and mantle convection fundamentally advanced understanding of Earth's age and plate tectonics.
-
E.
Charles Lapworth
Charles Lapworth was a pioneering British geologist best known for his work on Ordovician stratigraphy and the use of graptolites to establish detailed rock sequences.
- 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: Norman L. Bowen Target entity description: Norman L. Bowen was a pioneering 20th-century petrologist best known for formulating Bowen’s reaction series, which fundamentally advanced the understanding of igneous rock formation.
-
A.
J. Tuzo Wilson
J. Tuzo Wilson was a pioneering Canadian geophysicist whose work on plate tectonics and transform faults fundamentally reshaped modern understanding of Earth's dynamic crust.
-
B.
Grove Karl Gilbert
Grove Karl Gilbert was a pioneering American geologist of the late 19th and early 20th centuries, renowned for his foundational work in geomorphology and studies of the western United States.
-
C.
Maurice Ewing
Maurice Ewing was a pioneering American geophysicist and oceanographer whose work in marine seismology and underwater acoustics fundamentally advanced the understanding of the Earth's crust and ocean basins.
-
D.
Arthur Holmes
Arthur Holmes was a pioneering British geologist whose work on radiometric dating and mantle convection fundamentally advanced understanding of Earth's age and plate tectonics.
-
E.
Charles Lapworth
Charles Lapworth was a pioneering British geologist best known for his work on Ordovician stratigraphy and the use of graptolites to establish detailed rock sequences.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geologist
ⓘ
petrologist ⓘ scientist ⓘ |
| academicDegree | PhD in geology ⓘ |
| authorOf | The Evolution of the Igneous Rocks ⓘ |
| awardReceived | Penrose Medal ⓘ |
| birthDate | 1887-06-21 ⓘ |
| citizenship | Canada ⓘ |
| contributedTo | modern theory of igneous rock series ⓘ |
| deathDate | 1956-09-11 ⓘ |
| developed |
concept of continuous reaction series in magmas
ⓘ
concept of discontinuous reaction series in magmas ⓘ |
| educatedAt |
Massachusetts Institute of Technology
ⓘ
Queen’s University at Kingston ⓘ
linked to:
Queen's University at Kingston
|
| employer | Carnegie Institution of Washington ⓘ |
| era | 20th century ⓘ |
| familyName | Bowen ⓘ |
| fieldOfWork |
experimental petrology
ⓘ
igneous petrology ⓘ mineralogy ⓘ petrology ⓘ |
| fullName |
Norman Levi Bowen
ⓘ
linked to:
Norman L. Bowen
|
| givenName | Norman ⓘ |
| hasInfluenceOn |
geochemistry of igneous rocks
ⓘ
petrologic classification of igneous rocks ⓘ |
| influenced |
20th-century petrology
ⓘ
igneous petrogenesis models ⓘ |
| knownFor |
Bowen’s reaction series
ⓘ
experimental studies of igneous rock formation ⓘ phase-equilibrium experiments on silicate systems ⓘ |
| languageOfWorkOrName | English ⓘ |
| legacy |
foundation for modern experimental petrology
ⓘ
standard teaching model for igneous rock formation via Bowen’s reaction series ⓘ |
| memberOf | Geological Society of America ⓘ |
| nationality | Canadian ⓘ |
| notableWork | The Evolution of the Igneous Rocks ⓘ |
| occupation | research scientist ⓘ |
| placeOfBirth |
Kingston, Ontario, Canada
ⓘ
linked to:
Kingston, Ontario
|
| publicationYear | 1928 ⓘ |
| researchFocus |
crystallization of magma
ⓘ
mineral phase relations in silicate melts ⓘ |
| studied |
basaltic magmas
ⓘ
granitic magmas ⓘ |
| usedMethod |
high-temperature furnace experiments
ⓘ
phase diagram analysis ⓘ |
| workplace | Geophysical Laboratory of the Carnegie Institution of Washington ⓘ |
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: Norman L. Bowen Description of subject: Norman L. Bowen was a pioneering 20th-century petrologist best known for formulating Bowen’s reaction series, which fundamentally advanced the understanding of igneous rock formation.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Norman L. Bowen