# Wolfgang Cajar

> German computer scientist and local historian

**Wikidata**: [Q2589371](https://www.wikidata.org/wiki/Q2589371)  
**Source**: https://4ort.xyz/entity/wolfgang-cajar

## Summary
Wolfgang Cajar is a German computer scientist and local historian. He was born on 11 June 1935 in Vogelsang, Germany, and is identified in library and academic authority systems (e.g., GND, VIAF, ISNI) as a researcher/author associated with computer science.

## Biography
- Born: 1935-06-11 (Vogelsang)
- Nationality: Germany
- Known for: Work as a computer scientist; activity as a local historian
- Field(s): Computer science; local history

## Contributions
The provided source material identifies Wolfgang Cajar as a German computer scientist and local historian and links him to standard scholarly and library authority records. He has an author profile in DBLP (author ID: 194/9552), indicating that he is indexed as an academic author in computer science bibliographic data. He is also represented in major authority and catalog systems used to disambiguate people and connect them to publications and holdings, including ISNI (0000000057905514), GND (136925022), VIAF (81188487), and a WorldCat Entities identifier (E39PBJrGxqybC3fXHK8jVVTj4q).  

Beyond these identifiers and occupational labels, the source material does not provide titles of publications, specific research topics, named projects, institutional affiliations, or dated outputs. As a result, concrete works (papers, books, software, patents, or leadership roles) cannot be enumerated here without adding information not present in the supplied data.

## FAQs
### Q: Who is Wolfgang Cajar?
A: Wolfgang Cajar is a German computer scientist and local historian. He was born on 11 June 1935 in Vogelsang, Germany.

### Q: What is Wolfgang Cajar known for?
A: The source material describes him as a computer scientist and a local historian. It also shows he is indexed as an author in DBLP and in major library authority files.

### Q: Does Wolfgang Cajar have an academic author profile?
A: Yes. He has a DBLP author identifier (194/9552), which indicates he is listed in the DBLP computer science bibliography.

### Q: What authority identifiers are associated with Wolfgang Cajar?
A: The provided identifiers include ISNI 0000000057905514, GND 136925022, VIAF 81188487, and WorldCat Entities ID E39PBJrGxqybC3fXHK8jVVTj4q.

## Why They Matter
Within the limits of the provided data, Wolfgang Cajar’s significance is primarily evidenced through his presence in established scholarly and library infrastructure. Being indexed in DBLP places him within the ecosystem of computer science authors whose work is tracked and referenced in bibliographic databases. His entries in authority systems such as GND, VIAF, ISNI, and WorldCat Entities indicate that he is a distinct, cataloged individual whose identity is curated for reliable attribution across libraries and research catalogs.  

This kind of authority control matters because it reduces ambiguity between people with similar names and helps connect publications and records to the correct individual over time. It supports accurate citation, cataloging, and discovery in both academic (computer science) and cultural-historical (local history) contexts. However, the source material does not specify particular works or impacts, so the nature and extent of his influence on computer science or local history cannot be described more concretely here without additional sources.

## Notable For
- German computer scientist and local historian (as described in the source material)
- Born 1935-06-11 in Vogelsang
- Listed in DBLP with author ID 194/9552
- Authority identifiers: ISNI 0000000057905514; GND 136925022; VIAF 81188487
- Cataloged in WorldCat Entities (E39PBJrGxqybC3fXHK8jVVTj4q)

## Body
### Core Identity
- Name: Wolfgang Cajar
- Description (provided): German computer scientist and local historian
- Instance of: human
- Sex or gender: male

### Birth and Background
- Birth date: 1935-06-11
- Birth place: Vogelsang
- Citizenship: Germany
- Language (spoken/written/signed): German

### Occupations and Domains
- Occupation: computer scientist; local historian
- Field(s) implied by occupation:
  - Computer science
  - Local history

### Bibliographic and Authority Records
- DBLP author ID: 194/9552
- ISNI: 0000000057905514
- GND / DDB person (GND) ID: 136925022
- VIAF ID: 81188487
- WorldCat Entities ID: E39PBJrGxqybC3fXHK8jVVTj4q
- Google Knowledge Graph ID: /g/120z_49s

### Wikipedia / Knowledge Base Presence
- Wikipedia languages: de
- Sitelink count: 1

## References

1. Integrated Authority File