Dorr Felt
E537942
Dorr Felt was an American inventor and industrialist best known for creating the early mechanical calculator known as the Comptometer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dorr Felt canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5661545 — 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: Dorr Felt Context triple: [Felt, hasNotableBearer, Dorr Felt]
-
A.
Francis Newton Gifford
Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
-
B.
Frederick Winsor
Frederick Winsor was a pioneering British physician and medical officer known for his contributions to public health and military medicine in the 19th century.
-
C.
David LeFevre Dodd
David LeFevre Dodd was an American economist and Columbia University professor best known for co-authoring the seminal value investing text "Security Analysis" with Benjamin Graham.
-
D.
George Hively
George Hively was an American film editor and screenwriter active during the early 20th century, known for his work in Hollywood studio productions.
-
E.
Struell Wells
Struell Wells is an ancient Christian pilgrimage site near Downpatrick in County Down, Northern Ireland, renowned for its holy wells and long association with St Patrick.
- 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: Dorr Felt Target entity description: Dorr Felt was an American inventor and industrialist best known for creating the early mechanical calculator known as the Comptometer.
-
A.
Francis Newton Gifford
Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
-
B.
Frederick Winsor
Frederick Winsor was a pioneering British physician and medical officer known for his contributions to public health and military medicine in the 19th century.
-
C.
David LeFevre Dodd
David LeFevre Dodd was an American economist and Columbia University professor best known for co-authoring the seminal value investing text "Security Analysis" with Benjamin Graham.
-
D.
George Hively
George Hively was an American film editor and screenwriter active during the early 20th century, known for his work in Hollywood studio productions.
-
E.
Struell Wells
Struell Wells is an ancient Christian pilgrimage site near Downpatrick in County Down, Northern Ireland, renowned for its holy wells and long association with St Patrick.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| associatedWith | Chicago ⓘ |
| businessRole |
company co-owner
ⓘ
manufacturer of calculating machines ⓘ |
| coFounderOf | Felt & Tarrant Manufacturing Company ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| developed | early key-driven mechanical calculators ⓘ |
| era |
early 20th century
ⓘ
late 19th century ⓘ |
| familyName | Felt ⓘ |
| fieldOfWork |
calculating machines
ⓘ
mechanical engineering ⓘ |
| givenName | Dorr ⓘ |
| hasGender | male ⓘ |
| hasInvented |
Comptometer
ⓘ
improvements to mechanical calculators ⓘ |
| impact | pioneered practical mechanical calculation for business use ⓘ |
| industry |
manufacturing industry
ⓘ
office equipment industry ⓘ |
| influenced | development of office calculating machines ⓘ |
| knownFor |
Comptometer
ⓘ
mechanical calculator design ⓘ |
| legacy | helped establish mechanical calculators as standard office tools ⓘ |
| name | Dorr Eugene Felt ⓘ |
| nationality | American ⓘ |
| notableAchievement | commercialization of key-driven calculators ⓘ |
| notableWork | Comptometer ⓘ |
| occupation |
business executive
ⓘ
industrialist ⓘ inventor ⓘ |
| placeOfBirth | United States of America ⓘ |
| placeOfDeath | United States of America ⓘ |
| productLine |
Comptometer calculators
ⓘ
linked to:
Comptometer
|
| usedTechnology | mechanical key-driven calculation mechanisms ⓘ |
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: Dorr Felt Description of subject: Dorr Felt was an American inventor and industrialist best known for creating the early mechanical calculator known as the Comptometer.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.