Albert Johnson (Mad Trapper of Rat River)
E1030742
Albert Johnson, known as the "Mad Trapper of Rat River," was a mysterious fugitive whose violent 1931 manhunt across the Canadian Arctic became one of the most famous manhunts in Canadian history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Albert Johnson (Mad Trapper of Rat River) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13262890 — 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: Albert Johnson (Mad Trapper of Rat River) Context triple: [Aklavik, hasNotableBurial, Albert Johnson (Mad Trapper of Rat River)]
-
A.
Harold Tantaquidgeon
Harold Tantaquidgeon was a Mohegan tribal member and cultural leader known for his role in preserving and sharing Native American heritage, including through the establishment of the Tantaquidgeon Indian Museum.
-
B.
Solomon Juneau
Solomon Juneau was a French-Canadian fur trader and early settler who became one of the founding figures and first mayor of Milwaukee, Wisconsin.
-
C.
Robert Mandan
Robert Mandan was an American actor best known for his comedic television roles, particularly as Chester Tate on the sitcom "Soap."
-
D.
Bundy R. Bear
Bundy R. Bear is the iconic polar bear mascot used in Australian advertising to promote Bundaberg Rum.
-
E.
Cree Hardrict
Cree Hardrict is the son of American actor Cory Hardrict and actress Tia Mowry.
- 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: Albert Johnson (Mad Trapper of Rat River) Target entity description: Albert Johnson, known as the "Mad Trapper of Rat River," was a mysterious fugitive whose violent 1931 manhunt across the Canadian Arctic became one of the most famous manhunts in Canadian history.
-
A.
Harold Tantaquidgeon
Harold Tantaquidgeon was a Mohegan tribal member and cultural leader known for his role in preserving and sharing Native American heritage, including through the establishment of the Tantaquidgeon Indian Museum.
-
B.
Solomon Juneau
Solomon Juneau was a French-Canadian fur trader and early settler who became one of the founding figures and first mayor of Milwaukee, Wisconsin.
-
C.
Robert Mandan
Robert Mandan was an American actor best known for his comedic television roles, particularly as Chester Tate on the sitcom "Soap."
-
D.
Bundy R. Bear
Bundy R. Bear is the iconic polar bear mascot used in Australian advertising to promote Bundaberg Rum.
-
E.
Cree Hardrict
Cree Hardrict is the son of American actor Cory Hardrict and actress Tia Mowry.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
fugitive
ⓘ
historical figure ⓘ manhunt ⓘ outlaw ⓘ |
| activeIn |
Canadian Arctic
ⓘ
linked to:
Arctic Canada
Northwest Territories ⓘ Yukon ⓘ |
| allegedNationality |
possibly American
ⓘ
possibly Scandinavian ⓘ |
| causeOfDeath | gunshot wound ⓘ |
| confrontedBy | Royal Canadian Mounted Police ⓘ |
| country | Canada ⓘ |
| countryOfActivity | Canada ⓘ |
| dateOfBirth | unknown ⓘ |
| dateOfDeath | 1932-02-17 ⓘ |
| endTime | 1932 ⓘ |
| era | 20th century ⓘ |
| ethnicity | unknown ⓘ |
| event | Rat River manhunt ⓘ |
| killedBy | Royal Canadian Mounted Police ⓘ |
| knownFor |
engaging in armed confrontations with police
ⓘ
evading capture in extreme Arctic winter conditions ⓘ |
| legacy |
Canadian frontier folklore figure
ⓘ
subject of ongoing speculation about identity ⓘ |
| legalStatus | wanted fugitive ⓘ |
| location |
Northwest Territories
ⓘ
Rat River ⓘ |
| nickname |
Mad Trapper
ⓘ
Mad Trapper of Rat River ⓘ |
| notableFeature |
extraordinary endurance in subarctic wilderness
ⓘ
mysterious identity ⓘ |
| notableFor |
1931 Arctic manhunt
ⓘ
Rat River manhunt ⓘ |
| occupation | trapper ⓘ |
| placeOfBirth | unknown ⓘ |
| placeOfDeath | near Eagle River, Yukon ⓘ |
| policeForceInvolved | Royal Canadian Mounted Police ⓘ |
| pursuedBy |
Royal Canadian Air Force pilot Wop May
ⓘ
aircraft ⓘ dog sled teams ⓘ |
| realName | unknown ⓘ |
| residence |
Rat River area
ⓘ
linked to:
Rat River
|
| startTime | 1931 ⓘ |
| subjectOf |
Canadian true crime stories
ⓘ
books about the Mad Trapper ⓘ documentaries about the Rat River manhunt ⓘ |
| usedWeapon | rifle ⓘ |
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: Albert Johnson (Mad Trapper of Rat River) Description of subject: Albert Johnson, known as the "Mad Trapper of Rat River," was a mysterious fugitive whose violent 1931 manhunt across the Canadian Arctic became one of the most famous manhunts in Canadian history.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.