John L. Lewis
E52414
John L. Lewis was a powerful American labor leader who headed the United Mine Workers of America and played a central role in founding the Congress of Industrial Organizations (CIO).
All labels observed (2)
| Label | Occurrences |
|---|---|
| John L. Lewis canonical | 9 |
| John Llewellyn Lewis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T385756 — 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: John L. Lewis Context triple: [Oak Ridge Cemetery, hasNotableBurial, John L. Lewis]
-
A.
Walter Reuther
Walter Reuther was a prominent American labor leader and civil rights advocate who led the United Auto Workers (UAW) and played a key role in mid-20th-century social and economic reform movements.
-
B.
William Green
William Green was a prominent American labor leader who served as president of the American Federation of Labor from 1924 to 1952, guiding the organization through the Great Depression and World War II.
-
C.
George Meany
George Meany was a prominent American labor leader who served as the longtime president of the AFL-CIO and became one of the most influential figures in 20th-century U.S. trade unionism.
-
D.
William Z. Foster
William Z. Foster was an American labor organizer and prominent leader of the Communist Party USA in the early to mid-20th century.
-
E.
Samuel Gompers
Samuel Gompers was a prominent American labor leader who founded and long led the American Federation of Labor, playing a key role in the development of the U.S. labor movement.
- 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: John L. Lewis Target entity description: John L. Lewis was a powerful American labor leader who headed the United Mine Workers of America and played a central role in founding the Congress of Industrial Organizations (CIO).
-
A.
Walter Reuther
Walter Reuther was a prominent American labor leader and civil rights advocate who led the United Auto Workers (UAW) and played a key role in mid-20th-century social and economic reform movements.
-
B.
William Green
William Green was a prominent American labor leader who served as president of the American Federation of Labor from 1924 to 1952, guiding the organization through the Great Depression and World War II.
-
C.
George Meany
George Meany was a prominent American labor leader who served as the longtime president of the AFL-CIO and became one of the most influential figures in 20th-century U.S. trade unionism.
-
D.
William Z. Foster
William Z. Foster was an American labor organizer and prominent leader of the Communist Party USA in the early to mid-20th century.
-
E.
Samuel Gompers
Samuel Gompers was a prominent American labor leader who founded and long led the American Federation of Labor, playing a key role in the development of the U.S. labor movement.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
labor leader ⓘ trade unionist ⓘ |
| birthDate | 1880-02-12 ⓘ |
| birthPlace | Lucas, Iowa, United States ⓘ |
| burialPlace | Oakland Cemetery, Iowa, United States ⓘ |
| causeOfDeath | heart disease ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| deathDate | 1969-06-11 ⓘ |
| deathPlace |
Alexandria, Virginia, United States
ⓘ
linked to:
City of Alexandria, Virginia
|
| describedAs | powerful American labor leader ⓘ |
| employer | United Mine Workers of America ⓘ |
| ethnicOrigin | Welsh-American ⓘ |
| familyName | Lewis ⓘ |
| fieldOfWork |
collective bargaining
ⓘ
labor relations ⓘ trade union organization ⓘ |
| fullName |
John Llewellyn Lewis
ⓘ
linked to:
John L. Lewis
|
| givenName | John ⓘ |
| hasHonor | Presidential Medal of Freedom ⓘ |
| ideology | industrial unionism ⓘ |
| influenced | growth of industrial unions in the United States ⓘ |
| knownFor |
advocacy for miners’ safety and better wages
ⓘ
breaking with the American Federation of Labor to form the CIO ⓘ organizing industrial workers in mass-production industries ⓘ |
| languageSpoken | English ⓘ |
| memberOf |
American Federation of Labor
ⓘ
Congress of Industrial Organizations ⓘ United Mine Workers of America ⓘ |
| movement | American labor movement ⓘ |
| notableFor |
founding role in the Congress of Industrial Organizations
ⓘ
leadership of the United Mine Workers of America ⓘ |
| notableWork |
leadership in the 1936–1937 sit-down strikes wave
ⓘ
negotiation of major coal industry contracts ⓘ |
| numberOfChildren | 3 ⓘ |
| occupation |
labor leader
ⓘ
political activist ⓘ trade union organizer ⓘ |
| opposed | Franklin D. Roosevelt’s third-term bid in 1940 ⓘ |
| positionHeld |
President of the United Mine Workers of America
ⓘ
founding president of the Congress of Industrial Organizations ⓘ vice president of the American Federation of Labor ⓘ |
| religion | Methodism ⓘ |
| residence |
Alexandria, Virginia, United States
ⓘ
linked to:
City of Alexandria, Virginia
|
| spouse |
Myrlie Bell Lewis
ⓘ
linked to:
Myrlie Evers
|
| supported | New Deal labor policies in the 1930s ⓘ |
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: John L. Lewis Description of subject: John L. Lewis was a powerful American labor leader who headed the United Mine Workers of America and played a central role in founding the Congress of Industrial Organizations (CIO).
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.