Friedrich Neelsen
E928059
Friedrich Neelsen was a German pathologist best known for co-developing the Ziehl–Neelsen staining technique used to detect acid-fast bacteria such as Mycobacterium tuberculosis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Friedrich Neelsen canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11466586 — 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: Friedrich Neelsen Context triple: [Ziehl–Neelsen stain, developedBy, Friedrich Neelsen]
-
A.
Oluf Christian Dietrichson
Oluf Christian Dietrichson was a Norwegian military officer and explorer best known for taking part in Fridtjof Nansen’s pioneering 1888–1889 crossing of the Greenland ice cap.
-
B.
Gustaf Johansen
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.
-
C.
Frederic Knudtson
Frederic Knudtson was an American film editor known for his work on numerous Hollywood productions in the mid-20th century.
-
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.
Georg C. F. Greve
Georg C. F. Greve is a German physicist and software developer best known as a leading advocate for free software and the founding president of the Free Software Foundation Europe.
- 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: Friedrich Neelsen Target entity description: Friedrich Neelsen was a German pathologist best known for co-developing the Ziehl–Neelsen staining technique used to detect acid-fast bacteria such as Mycobacterium tuberculosis.
-
A.
Oluf Christian Dietrichson
Oluf Christian Dietrichson was a Norwegian military officer and explorer best known for taking part in Fridtjof Nansen’s pioneering 1888–1889 crossing of the Greenland ice cap.
-
B.
Gustaf Johansen
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.
-
C.
Frederic Knudtson
Frederic Knudtson was an American film editor known for his work on numerous Hollywood productions in the mid-20th century.
-
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.
Georg C. F. Greve
Georg C. F. Greve is a German physicist and software developer best known as a leading advocate for free software and the founding president of the Free Software Foundation Europe.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
pathologist ⓘ |
| areaOfInfluence |
diagnostic bacteriology
ⓘ
tuberculosis diagnosis ⓘ |
| associatedWith |
Mycobacterium tuberculosis
ⓘ
acid-fast staining ⓘ |
| coDeveloperOf |
Ziehl–Neelsen stain
ⓘ
Ziehl–Neelsen staining technique ⓘ
linked to:
Ziehl–Neelsen stain
|
| countryOfCitizenship | German Empire ⓘ |
| coWorkedWith | Franz Ziehl NERFINISHED ⓘ |
| developedFor |
detection of Mycobacterium tuberculosis
ⓘ
detection of acid-fast bacteria ⓘ |
| eponymOf |
Neelsen component of Ziehl–Neelsen stain
ⓘ
linked to:
ZN stain
|
| familyName | Neelsen ⓘ |
| fieldOfWork |
microbiology
ⓘ
pathology ⓘ |
| gender | male ⓘ |
| givenName | Friedrich ⓘ |
| hasNationality | German ⓘ |
| hasWorkNamedAfter |
Ziehl–Neelsen stain
ⓘ
Ziehl–Neelsen staining technique ⓘ
linked to:
Ziehl–Neelsen stain
|
| knownFor |
Ziehl–Neelsen stain
ⓘ
Ziehl–Neelsen staining technique ⓘ
linked to:
Ziehl–Neelsen stain
|
| languageOfWorkOrName | German ⓘ |
| name | Friedrich Neelsen ⓘ |
| notableAchievement | introduction of a staining method for acid-fast bacilli ⓘ |
| notableWork |
Ziehl–Neelsen stain
ⓘ
Ziehl–Neelsen staining technique ⓘ
linked to:
Ziehl–Neelsen stain
|
| occupation | pathologist ⓘ |
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: Friedrich Neelsen Description of subject: Friedrich Neelsen was a German pathologist best known for co-developing the Ziehl–Neelsen staining technique used to detect acid-fast bacteria such as Mycobacterium tuberculosis.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.