James Hansen
E138441
James Hansen is a prominent American climate scientist and former NASA researcher known for his early and influential warnings about global warming and advocacy for climate action.
All labels observed (2)
| Label | Occurrences |
|---|---|
| James Hansen canonical | 11 |
| James E. Hansen | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1213545 — 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: James Hansen Context triple: [Heinz Award, notableRecipient, James Hansen]
-
A.
Piers Sellers
Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
-
B.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
C.
Stanley Corrsin
Stanley Corrsin was a prominent American fluid dynamicist renowned for his pioneering contributions to the study of turbulence and mixing in fluid flows.
-
D.
John David Stier
John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
-
E.
Frank White
Frank White is a former Major League Baseball second baseman renowned for his defensive excellence and multiple Gold Glove Awards with the Kansas City Royals.
- 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: James Hansen Target entity description: James Hansen is a prominent American climate scientist and former NASA researcher known for his early and influential warnings about global warming and advocacy for climate action.
-
A.
Piers Sellers
Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
-
B.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
C.
Stanley Corrsin
Stanley Corrsin was a prominent American fluid dynamicist renowned for his pioneering contributions to the study of turbulence and mixing in fluid flows.
-
D.
John David Stier
John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
-
E.
Frank White
Frank White is an alias of The Notorious B.I.G., the influential Brooklyn-born rapper widely regarded as one of the greatest figures in hip-hop history.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
climate scientist
ⓘ
environmental activist ⓘ human ⓘ physicist ⓘ |
| academicDegree | PhD in Physics ⓘ |
| advocates |
carbon fee and dividend policy
ⓘ
rapid reduction of fossil fuel emissions ⓘ stronger climate policy based on scientific evidence ⓘ |
| awardReceived |
Blue Planet Prize
ⓘ
Carl-Gustaf Rossby Research Medal ⓘ Heinz Award for the Environment ⓘ
linked to:
Heinz Award
Sophie Prize ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1941-03-29 ⓘ |
| doctoralAdvisor |
James Van Allen
ⓘ
linked to:
James A. Van Allen
|
| educatedAt | University of Iowa ⓘ |
| employer |
Columbia University
ⓘ
NASA Goddard Institute for Space Studies ⓘ
linked to:
Goddard Institute for Space Studies
|
| endTime | 2013 (director of NASA GISS) ⓘ |
| familyName | Hansen ⓘ |
| fieldOfWork |
atmospheric science
ⓘ
climatology ⓘ global warming ⓘ planetary science ⓘ |
| givenName | James ⓘ |
| knownFor |
climate change advocacy
ⓘ
early warnings about global warming ⓘ research on climate sensitivity ⓘ research on planetary atmospheres ⓘ testimony on climate change to the United States Congress in 1988 ⓘ |
| movement | climate justice movement ⓘ |
| name | James Hansen ⓘ |
| notableIdea | dangerous anthropogenic interference with the climate system ⓘ |
| notableWork |
1988 testimony before the U.S. Senate Committee on Energy and Natural Resources
ⓘ
Climate Change and Energy Policies ⓘ Storms of My Grandchildren ⓘ |
| occupation |
author
ⓘ
climate activist ⓘ professor ⓘ scientist ⓘ |
| placeOfBirth | Denison, Iowa, United States ⓘ |
| positionHeld | Director of NASA Goddard Institute for Space Studies ⓘ |
| researchInterest |
global temperature change
ⓘ
greenhouse effect ⓘ paleoclimate ⓘ sea level rise ⓘ |
| startTime | 1981 (director of NASA GISS) ⓘ |
| workInstitution |
Columbia University Department of Earth and Environmental Sciences
ⓘ
Columbia University Earth Institute ⓘ |
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: James Hansen Description of subject: James Hansen is a prominent American climate scientist and former NASA researcher known for his early and influential warnings about global warming and advocacy for climate action.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: James Hansen
subject linked to:
“A safe operating space for humanity”
subject linked to:
Denison, Iowa, United States
subject linked to:
Denison, Iowa, United States