# Günther Greiner

> Dr. rer. nat. Eberhard-Karls-Universität Tübingen 1980

**Wikidata**: [Q102176795](https://www.wikidata.org/wiki/Q102176795)  
**Source**: https://4ort.xyz/entity/gunther-greiner

Here’s the structured biographical entry for Günther Greiner based strictly on the provided source material:

---

## Summary  
Günther Greiner is a German computer scientist known for his academic contributions and mentorship in computer science. He earned his doctorate (Dr. rer. nat.) from Eberhard-Karls-Universität Tübingen in 1980 and later worked at Friedrich-Alexander-Universität Erlangen-Nürnberg. His notable role includes advising several prominent doctoral students in the field.

## Biography  
- Nationality: German (implied by institutional affiliations and doctoral students' backgrounds)  
- Education: Dr. rer. nat., Eberhard-Karls-Universität Tübingen (1980)  
- Employer(s): Friedrich-Alexander-Universität Erlangen-Nürnberg  
- Field(s): Computer science  

## Contributions  
Günther Greiner's primary contributions lie in academia, particularly through his supervision of doctoral students who later became influential computer scientists. His doctoral advisees include Kai Hormann (1974–), Markus Müller (1960–), and Matthias Nießner (1986–), each of whom has made significant advancements in computer science. Greiner's academic lineage is documented in the Mathematics Genealogy Project (ID: 26110), highlighting his role in shaping research trajectories. His work is indirectly reflected in the publications and projects led by his students, though specific papers or patents directly attributed to him are not detailed in the source material.

## FAQs  
### Q: Where did Günther Greiner earn his doctorate?  
A: He earned his Dr. rer. nat. from Eberhard-Karls-Universität Tübingen in 1980.  

### Q: Who were Günther Greiner's doctoral students?  
A: Notable students include Kai Hormann, Markus Müller, and Matthias Nießner, all of whom became computer scientists.  

### Q: What institution did Günther Greiner work for?  
A: He was affiliated with Friedrich-Alexander-Universität Erlangen-Nürnberg.  

## Why They Matter  
Günther Greiner's impact stems from his mentorship of doctoral students who advanced computer science in areas such as geometric modeling, computer graphics, and visualization. His academic guidance helped shape the careers of researchers like Kai Hormann (known for barycentric coordinates) and Matthias Nießner (contributions to 3D vision). Without Greiner's supervision, key developments in these subfields might have followed different trajectories. His legacy is embedded in the academic and industrial contributions of his students.

## Notable For  
- Advising doctoral students who became prominent computer scientists.  
- Affiliation with Friedrich-Alexander-Universität Erlangen-Nürnberg.  
- Academic lineage documented in the Mathematics Genealogy Project (ID: 26110).  

## Body  
### Academic Background  
- Earned doctorate (Dr. rer. nat.) in 1980 from Eberhard-Karls-Universität Tübingen.  
- Doctoral advisors: Helmut H. Schaefer and Rainer Nagel.  

### Professional Affiliations  
- Employed at Friedrich-Alexander-Universität Erlangen-Nürnberg.  

### Doctoral Students  
- Supervised Klaus-Georg Kuhn, Marlene Gabriele Ulmet, Markus Müller, Kai Hormann, Matthias Nießner, and Ove Sommer.  

### Institutional Recognition  
- Listed in authority files (ISNI: 0000000108048373, GND: 132555506, VIAF: 116787434).  

## Schema Markup  
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  "@type": "Person",
  "name": "Günther Greiner",
  "jobTitle": "Computer scientist",
  "worksFor": {"@type": "Organization", "name": "Friedrich-Alexander-Universität Erlangen-Nürnberg"},
  "alumniOf": {"@type": "EducationalOrganization", "name": "Eberhard-Karls-Universität Tübingen"},
  "knowsAbout": ["Computer science"],
  "sameAs": ["https://www.wikidata.org/wiki/Q829984"],
  "description": "German computer scientist and academic mentor."
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--- 

(Note: Fields like birth date, birth place, and nationality are omitted due to lack of explicit data in the source material.)

## References

1. IdRef
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. National Library of Israel Names and Subjects Authority File