# Gerhard Lengeling
**Wikidata**: [Q1512049](https://www.wikidata.org/wiki/Q1512049)  
**Source**: https://4ort.xyz/entity/gerhard-lengeling

## Summary
Gerhard Lengeling is a German computer scientist, born 20 February 1959. He is documented in international authority files (ISNI, VIAF, GND) and has a German-language Wikipedia entry, identifying him as a figure in computer science in Germany.

## Biography
- Born: 1959-02-20
- Nationality: Germany
- Known for: Computer scientist (occupation recorded in authority data)
- Field(s): Computer science
- Languages: German
- Identifiers and authority records: ISNI 0000000447100893; VIAF 25242426; GND (DDB) 1271917475; Google Knowledge Graph ID /g/12240r2l
- Public records: German-language Wikipedia (sitelink_count: 1)

## Contributions
The source material documents Gerhard Lengeling primarily through bibliographic and authority records rather than by listing specific publications or projects. His documented contributions, as reflected in those records, are:
- Persistent identity in library and knowledge infrastructures. He is recorded under ISNI 0000000447100893, VIAF 25242426, and GND 1271917475, which are used to disambiguate and link identities across catalogs and databases.
- Public reference on German-language Wikipedia, indicated by a single sitelink, which provides a central public-facing entry for his professional identity.
- Presence in the Google Knowledge Graph (ID /g/12240r2l), which integrates his identity into web-scale knowledge representations.
These entries collectively enable discovery, citation, and disambiguation of his authorship or professional activities within bibliographic, library, and web knowledge systems. The available records confirm his status as a computer scientist and his German citizenship and language use, but do not list specific papers, patents, companies, or products in the provided source material.

## FAQs
### Q: Who is Gerhard Lengeling?
A: Gerhard Lengeling is a German computer scientist, born 20 February 1959, documented in international authority files and on German Wikipedia.

### Q: What formal identifiers exist for Gerhard Lengeling?
A: He is recorded under ISNI 0000000447100893, VIAF 25242426, GND (DDB) 1271917475, and has a Google Knowledge Graph ID /g/12240r2l.

### Q: Where can I find more information about him?
A: The source material points to a German-language Wikipedia entry and the cited authority records (ISNI, VIAF, GND) for authoritative, cataloged information about his identity.

## Why They Matter
The documented significance of Gerhard Lengeling rests on his verifiable presence in multiple library, catalog, and web-scale identity systems. Authority records such as ISNI, VIAF, and the German National Library's GND serve to uniquely identify persons who author works or participate in scholarly and professional activities. Lengeling's inclusion in these systems means that libraries, cataloguers, and digital knowledge platforms can reliably disambiguate him from other individuals with similar names. His entry in the Google Knowledge Graph and a German-language Wikipedia page make that identity accessible to a broader public audience. Collectively, these records ensure persistent discoverability across academic, library, and web contexts. While the provided source material does not list specific publications, affiliations, or inventions, the presence of those authority identifiers indicates recognized participation in the documented corpus of work attributed to a computer scientist of German nationality. Without such identifiers and public entries, tracking and attributing his professional output across systems would be substantially more difficult for researchers, cataloguers, and information systems.

## Notable For
- Being recorded in the International Standard Name Identifier (ISNI): 0000000447100893.
- Having a VIAF entry: 25242426.
- Registered in the German National Library / GND with identifier 1271917475.
- Documented as a computer scientist and listed on German-language Wikipedia.
- Presence in the Google Knowledge Graph (ID: /g/12240r2l).

## Body

### Basic biographical data
- Full given name: Gerhard.
- Birth date: 20 February 1959.
- Sex/gender: Male.
- Nationality/citizenship: Germany.
- Language: German (spoken/written/signed as recorded).

### Professional identity
- Occupation: Computer scientist.
- Instance: Human (as recorded in structured data).
- The source identifies him generically as someone who studies or practices computer science; no specific employers, institutions, degrees, or positions are listed in the provided material.

### Authority and catalog records
- ISNI: 0000000447100893.
- VIAF: 25242426.
- GND / DDB person ID: 1271917475. The GND entry reference in the source includes a citation to a German Wikipedia revision (P4656: https://de.wikipedia.org/w/index.php?title=Gerhard_Lengeling&oldid=229183269).
- Google Knowledge Graph ID: /g/12240r2l.
- Sitelink count: 1, indicating a German-language Wikipedia presence.

### Public presence and discoverability
- German-language Wikipedia is the primary public encyclopedia listing indicated by the provided sitelink data.
- Authority records listed above serve to disambiguate his identity and link possible works or records attributed to him across library catalogs and knowledge systems.

### Limitations of available data
- No specific publications, patents, projects, employers, educational institutions, or awards are listed in the provided source material.
- Place of birth, academic degrees, and detailed career chronology are not available in the supplied data.