# Hans-Arno Jacobsen

> Ph.D. Humboldt-Universität zu Berlin 2000

**Wikidata**: [Q55228745](https://www.wikidata.org/wiki/Q55228745)  
**Source**: https://4ort.xyz/entity/hans-arno-jacobsen

## Summary
Hans-Arno Jacobsen is a German computer scientist and academic researcher known for his work in the field of computer science. He has held significant faculty or research positions at both the University of Toronto and the Technical University of Munich. Jacobsen earned his doctorate from Humboldt-Universität zu Berlin in 2000 and has since contributed to the academic community through research and the mentorship of doctoral students.

## Biography
- Born: 1969, Germany
- Nationality: Germany
- Education: Ph.D., Humboldt-Universität zu Berlin (2000)
- Known for: Academic research in computer science and doctoral mentorship
- Employer(s): University of Toronto, Technical University of Munich
- Field(s): Computer science

## Contributions
Hans-Arno Jacobsen has established a career in international academia, bridging European and North American research institutions. He completed his doctoral studies at Humboldt-Universität zu Berlin in 2000, where he was advised by prominent scholars Oliver Günther and Johann Christoph Freytag. His academic work is widely recognized and indexed in major global authority files, including the Library of Congress, the German National Library (GND), and the Virtual International Authority File (VIAF).

Jacobsen’s professional contributions are centered on his roles at the University of Toronto and the Technical University of Munich (TUM). Through these affiliations, he has engaged in the study and practice of computer science, contributing to the body of knowledge cataloged in databases such as DBLP and zbMATH. Beyond his own research, Jacobsen has played a role in shaping the next generation of scientists; he served as the doctoral advisor for David Bermbach, who has since become a researcher and computer scientist in his own right. His scholarly presence is further evidenced by his inclusion in the Mathematics Genealogy Project and his recognition by WikiProject Mathematics.

## FAQs
### Q: Where did Hans-Arno Jacobsen receive his education?
A: Hans-Arno Jacobsen attended Humboldt-Universität zu Berlin, where he earned his Ph.D. in 2000.

### Q: Which institutions has Hans-Arno Jacobsen been affiliated with?
A: He has held positions at the University of Toronto in Canada and the Technical University of Munich (TUM) in Germany.

### Q: Who were Hans-Arno Jacobsen's doctoral advisors?
A: His doctoral research was supervised by Oliver Günther and Johann Christoph Freytag.

### Q: Has Hans-Arno Jacobsen mentored other researchers?
A: Yes, he served as the doctoral advisor for David Bermbach, a computer scientist and researcher.

## Why They Matter
Hans-Arno Jacobsen is a significant figure in the computer science community due to his dual-continental academic influence. By maintaining high-level affiliations with both the Technical University of Munich and the University of Toronto, he facilitates the international exchange of scientific knowledge. His work is part of a rigorous academic lineage, having been trained by established experts like Johann Christoph Freytag and Oliver Günther, and subsequently passing that expertise to students like David Bermbach.

The breadth of his impact is reflected in his extensive documentation across international bibliographic systems. His records in the Library of Congress, the National Library of Israel, and the Nationale Thesaurus voor Auteursnamen signify a career of documented scholarly output that serves as a resource for other researchers. Furthermore, his recognition by the Mathematics Genealogy Project highlights his role in the structural development of the computer science and mathematics fields. Without the contributions of researchers like Jacobsen, the collaborative link between major German and Canadian technical institutions would be less robust.

## Notable For
*   **Academic Affiliations:** Held notable roles at the University of Toronto and the Technical University of Munich.
*   **Doctoral Mentorship:** Served as the doctoral advisor for computer scientist David Bermbach.
*   **International Recognition:** Indexed in numerous global authority files including VIAF, GND, and the Library of Congress.
*   **Scholarly Lineage:** Completed his Ph.D. under the supervision of Oliver Günther and Johann Christoph Freytag at Humboldt-Universität zu Berlin.

## Body
### Academic Background and Education
Hans-Arno Jacobsen's formal academic training culminated at Humboldt-Universität zu Berlin. He completed his Ph.D. in 2000. His doctoral work was conducted under the guidance of two primary advisors:
*   **Oliver Günther:** A German academic and computer scientist.
*   **Johann Christoph Freytag:** A computer scientist who earned his Ph.D. from Harvard University.

### Professional Career and Affiliations
Jacobsen has spent his career at leading research universities. His primary employers include:
*   **University of Toronto:** A major research institution in Canada.
*   **Technical University of Munich (TUM):** A prominent technical university in Germany, where his affiliation was noted as recently as 2019.

### Research and Mentorship
As a computer scientist, Jacobsen is involved in the industrial and service sectors of the field. He has contributed to the academic pipeline by supervising doctoral candidates. His student, David Bermbach (born 1984), is a recognized researcher and computer scientist in Germany.

### Digital and Bibliographic Presence
Jacobsen is extensively cataloged in international databases, which serves as a testament to his published contributions:
*   **DBLP:** j/HansArnoJacobsen
*   **Mathematics Genealogy Project:** ID 128486
*   **GND ID:** 171807278
*   **Library of Congress Authority ID:** n00008735
*   **zbMATH Author ID:** jacobsen.hans-arno

He is also identified by several unique persistent identifiers, including ISNI 0000000078721108 and VIAF 85471448.

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## References

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