Leonora Piper
E694201
Leonora Piper was a famous American trance medium of the late 19th and early 20th centuries, extensively studied by psychical researchers for her purported communication with the dead.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leonora Piper canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7800881 — 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: Leonora Piper Context triple: [Leonora, hasNotableBearer, Leonora Piper]
-
A.
Helen Marden
Helen Marden is an American artist known for her vibrant, intuitive paintings and mixed-media works, and for her long association with the contemporary art world alongside her late husband, painter Brice Marden.
-
B.
Mary van der Linden
Mary van der Linden is the emotionally conflicted central figure of Sebastian Faulks's novel "On Green Dolphin Street," whose life and marriage are upended by an intense love affair in Cold War-era Washington, D.C.
-
C.
Edith Snodgrass
Edith Snodgrass is a notable individual distinguished enough to be recognized as a prominent bearer of the Snodgrass surname.
-
D.
Minerva Anderson
Minerva Anderson was the mother of pioneering African American entrepreneur and philanthropist Madam C. J. Walker.
-
E.
Winifred Gillis
Winifred Gillis is a fictional character from the American television sitcom "The Many Loves of Dobie Gillis."
- 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: Leonora Piper Target entity description: Leonora Piper was a famous American trance medium of the late 19th and early 20th centuries, extensively studied by psychical researchers for her purported communication with the dead.
-
A.
Helen Marden
Helen Marden is an American artist known for her vibrant, intuitive paintings and mixed-media works, and for her long association with the contemporary art world alongside her late husband, painter Brice Marden.
-
B.
Mary van der Linden
Mary van der Linden is the emotionally conflicted central figure of Sebastian Faulks's novel "On Green Dolphin Street," whose life and marriage are upended by an intense love affair in Cold War-era Washington, D.C.
-
C.
Edith Snodgrass
Edith Snodgrass is a notable individual distinguished enough to be recognized as a prominent bearer of the Snodgrass surname.
-
D.
Minerva Anderson
Minerva Anderson was the mother of pioneering African American entrepreneur and philanthropist Madam C. J. Walker.
-
E.
Winifred Gillis
Winifred Gillis is a fictional character from the American television sitcom "The Many Loves of Dobie Gillis."
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
American
ⓘ
person ⓘ spiritualist medium ⓘ trance medium ⓘ |
| activePeriod |
early 20th century
ⓘ
late 19th century ⓘ |
| associatedWith | Boston ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1857 ⓘ |
| dateOfDeath | 1950 ⓘ |
| describedAs | famous American trance medium ⓘ |
| era |
Edwardian era
ⓘ
Victorian era ⓘ |
| familyName | Piper ⓘ |
| fieldOfWork |
psychical research
ⓘ
spiritualism ⓘ |
| givenName | Leonora ⓘ |
| hasEffect |
influenced debates on survival after death
ⓘ
influenced early psychical research methodologies ⓘ |
| hasReligion | Christianity ⓘ |
| languageOfWorkOrName | English ⓘ |
| notableFor |
being extensively studied by psychical researchers
ⓘ
purported communication with the dead ⓘ trance mediumship ⓘ |
| occupation |
medium
ⓘ
trance medium ⓘ |
| placeOfBirth | New Hampshire ⓘ |
| sexOrGender | female ⓘ |
| studiedBy |
American Society for Psychical Research
ⓘ
linked to:
Society for Psychical Research
Richard Hodgson ⓘ Society for Psychical Research ⓘ William James ⓘ |
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: Leonora Piper Description of subject: Leonora Piper was a famous American trance medium of the late 19th and early 20th centuries, extensively studied by psychical researchers for her purported communication with the dead.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.