# Hans Hagen

> German professor of computer science (*1953)

**Wikidata**: [Q5650100](https://www.wikidata.org/wiki/Q5650100)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hans_Hagen)  
**Source**: https://4ort.xyz/entity/hans-hagen

## Summary
Hans Hagen is a German professor of computer science born in 1953. He is primarily known for his academic career at the University of Kaiserslautern, where he served as a doctoral advisor to a significant number of computer scientists over several decades. His work has been influential in shaping the next generation of researchers in the field.

## Biography
- **Born**: 1953
- **Nationality**: Germany
- **Education**: Technical University of Dortmund
- **Known for**: Supervising a large number of doctoral students in computer science.
- **Employer(s)**: University of Kaiserslautern
- **Field(s)**: Computer science, engineering, university teaching

## Contributions
Hans Hagen's primary contribution to the field of computer science is his extensive work in academia as a doctoral advisor at the University of Kaiserslautern. Over a period spanning at least three decades, from 1990 to 2020, he supervised a large cohort of students who went on to earn their doctorates. This sustained mentorship has produced numerous computer scientists who have since contributed to research and industry.

His doctoral students include Guido Brunnett (1990), Georges-Pierre Bonneau (1993), Stefanie Hahmann (1994), Jörg Meyer (1999), Michael Bender (2000), Xavier Tricoche (2002), Achim Ebert (2004), Oliver Rübel (2009), Fang Chen (2012), Jens Bauer (2015), and Dennis Mosbach (2020), among many others. By guiding these individuals through their doctoral research, Hagen has had a lasting and multiplicative impact on the field, fostering new talent and contributing to the growth of the computer science community in Germany and beyond. The breadth of his students' graduation years demonstrates a long-term commitment to academic development and the cultivation of new researchers.

## FAQs
### Q: Who is Hans Hagen?
A: Hans Hagen is a German professor of computer science, born in 1953. He is known for his work at the University of Kaiserslautern and for supervising a large number of doctoral students.

### Q: Where did Hans Hagen work?
A: The provided source material lists his employer as the University of Kaiserslautern.

### Q: Who was Hans Hagen's doctoral advisor?
A: Hans Hagen's doctoral advisor was Hubert Frank.

## Why They Matter
Hans Hagen's significance lies in his role as an educator and mentor who has shaped the careers of dozens of computer scientists. His impact is not measured by a single discovery or product, but by the collective contributions of the many doctoral students he supervised at the University of Kaiserslautern. For over 30 years, he guided new researchers, influencing the direction of their work and establishing a legacy through their subsequent achievements in academia and industry.

This long-term dedication to doctoral supervision created a network of professionals who received their foundational research training under his guidance. Without his sustained commitment to mentorship, the academic lineage and professional development of numerous computer scientists would have followed a different path. His work exemplifies the crucial role that academic advisors play in perpetuating knowledge, fostering innovation, and building a robust scientific community for future generations.

## Notable For
*   A long-standing academic career as a professor of computer science at the University of Kaiserslautern.
*   Serving as the doctoral advisor for numerous computer science students over a period of at least 30 years (1990-2020).
*   Being a student of doctoral advisor Hubert Frank.
*   Holding occupations as a computer scientist, engineer, and university teacher.
*   Receiving his education at the Technical University of Dortmund.

## Body
### Personal and Academic Background
Hans Hagen is a German computer scientist born in 1953. He is a citizen of Germany and is fluent in German and English. His professional roles include computer scientist, engineer, and university teacher.

Hagen was educated at the Technical University of Dortmund. His own doctoral advisor was Hubert Frank. He went on to become a professor at the University of Kaiserslautern.

### Role as a Doctoral Advisor
A central part of Hagen's academic career was his role as a doctoral advisor at the University of Kaiserslautern (also referred to as Technische Universität Kaiserslautern). He supervised a large number of students who successfully completed their doctorates.

His known doctoral students include:
*   **1990**: Guido Brunnett
*   **1991**: Ralf Denzer
*   **1992**: Ernst Gschwind
*   **1993**: Georges-Pierre Bonneau
*   **1994**: Stefanie Hahmann, Thomas Schreiber, Paolo Santarelli
*   **1995**: Philip Jacob
*   **1999**: Jörg Meyer
*   **2000**: Michael Bender, Henning Barthel
*   **2001**: Ulrike Bossong, Christof Nuber, Alexa Nawotki
*   **2002**: Xavier Tricoche, Peter Dannenmann, Thomas Wischgoll
*   **2003**: Michael Münchhofen
*   **2004**: Achim Ebert
*   **2006**: Maja Ruby, Gerd Reis
*   **2008**: Torsten Bierz
*   **2009**: Oliver Rübel, Patric Keller
*   **2012**: Fang Chen
*   **2014**: Klaus Denker, Daniel Engel, Rolf Westerteiger
*   **2015**: Jens Bauer
*   **2020**: Dennis Mosbach
*   Gunther H. Weber (year not specified)

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## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. CiNii Research
4. CONOR.SI
5. National Library of Israel Names and Subjects Authority File