Gustaf Johansen
E742841
Gustaf Johansen is a Norwegian sailor in H. P. Lovecraft’s “The Call of Cthulhu” whose harrowing encounter with the cosmic entity Cthulhu provides crucial evidence of the creature’s terrifying reality.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gustaf Johansen canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8315945 — 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: Gustaf Johansen Context triple: [The Call of Cthulhu, hasCharacter, Gustaf Johansen]
-
A.
Johan Frølich
Johan Frølich was a Norwegian nobleman and landowner of the 18th century, known primarily as the father of the prominent salon hostess and landowner Cecilie Christine Schøller.
-
B.
Gustav Juel Wiik
Gustav Juel Wiik was a Norwegian sailor and polar explorer who served as a crew member on Roald Amundsen’s historic Gjøa expedition, the first successful navigation of the Northwest Passage.
-
C.
Hans Rasmus Astrup
Hans Rasmus Astrup was a Norwegian shipping magnate, art collector, and philanthropist best known for establishing one of Norway’s leading private museums of contemporary art.
-
D.
Adolf Gustav Thorsen
Adolf Gustav Thorsen, better known as Gustav Vigeland, was a renowned Norwegian sculptor celebrated for his monumental Vigeland Installation in Oslo’s Frogner Park.
-
E.
Vilhelm Thomsen
Vilhelm Thomsen was a Danish linguist and philologist renowned for his pioneering work in comparative linguistics and the study of Turkic and Indo-European languages.
- 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: Gustaf Johansen Target entity description: Gustaf Johansen is a Norwegian sailor in H. P. Lovecraft’s “The Call of Cthulhu” whose harrowing encounter with the cosmic entity Cthulhu provides crucial evidence of the creature’s terrifying reality.
-
A.
Johan Frølich
Johan Frølich was a Norwegian nobleman and landowner of the 18th century, known primarily as the father of the prominent salon hostess and landowner Cecilie Christine Schøller.
-
B.
Gustav Juel Wiik
Gustav Juel Wiik was a Norwegian sailor and polar explorer who served as a crew member on Roald Amundsen’s historic Gjøa expedition, the first successful navigation of the Northwest Passage.
-
C.
Hans Rasmus Astrup
Hans Rasmus Astrup was a Norwegian shipping magnate, art collector, and philanthropist best known for establishing one of Norway’s leading private museums of contemporary art.
-
D.
Adolf Gustav Thorsen
Adolf Gustav Thorsen, better known as Gustav Vigeland, was a renowned Norwegian sculptor celebrated for his monumental Vigeland Installation in Oslo’s Frogner Park.
-
E.
Vilhelm Thomsen
Vilhelm Thomsen was a Danish linguist and philologist renowned for his pioneering work in comparative linguistics and the study of Turkic and Indo-European languages.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Norwegian person
ⓘ
fictional character ⓘ sailor ⓘ |
| accountLaterReadBy | Francis Wayland Thurston ⓘ |
| accountPreservedBy | Professor George Gammell Angell ⓘ |
| appearsIn | The Call of Cthulhu ⓘ |
| associatedWithShip |
Alert
ⓘ
Emma ⓘ |
| causeOfDeath |
implied stress and trauma from cosmic revelation
ⓘ
mysterious circumstances ⓘ |
| communicatesVia | written account ⓘ |
| countryOfFictionalOrigin | Norway ⓘ |
| createdBy | H. P. Lovecraft ⓘ |
| diesIn | The Call of Cthulhu ⓘ |
| encounters |
Cthulhu
ⓘ
cultists of Cthulhu ⓘ
linked to:
Cthulhu Cult
|
| evidenceType | ship’s log-like narrative ⓘ |
| evidenceUsedBy | Francis Wayland Thurston’s investigation of Cthulhu ⓘ |
| faces |
awakening of Cthulhu
ⓘ
linked to:
Cthulhu Cult
non-Euclidean city ⓘ |
| fictionalUniverse | Cthulhu Mythos ⓘ |
| firstPublicationOfWork |
Weird Tales
ⓘ
linked to:
Weird Tales magazine
|
| firstPublicationYearOfWork | 1928 ⓘ |
| genreOfWork |
cosmic horror
ⓘ
weird fiction ⓘ |
| homePort | Oslo ⓘ |
| languageOfOriginalWork | English ⓘ |
| linkedLocation |
R’lyeh
ⓘ
linked to:
R'lyeh
South Pacific Ocean ⓘ |
| mediumOfExistence | literature ⓘ |
| narrativeFunction | provider of crucial evidence about Cthulhu ⓘ |
| nationality | Norwegian ⓘ |
| occupation | sailor ⓘ |
| partOf | narrative frame of The Call of Cthulhu ⓘ |
| psychologicalImpact |
extreme terror
ⓘ
lasting trauma ⓘ |
| relatedToTheme |
danger of forbidden knowledge
ⓘ
insignificance of humanity ⓘ |
| roleInWork |
survivor of Cthulhu encounter
ⓘ
witness to Cthulhu ⓘ |
| significanceInMythos | direct human witness to Great Old One ⓘ |
| spouse | Johansen’s wife ⓘ |
| survives | initial encounter with Cthulhu ⓘ |
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: Gustaf Johansen Description of subject: Gustaf Johansen is a Norwegian sailor in H. P. Lovecraft’s “The Call of Cthulhu” whose harrowing encounter with the cosmic entity Cthulhu provides crucial evidence of the creature’s terrifying reality.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.