# Erik Sandewall

> Swedish computer scientist (1945-2024)

**Wikidata**: [Q5388817](https://www.wikidata.org/wiki/Q5388817)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erik_Sandewall)  
**Source**: https://4ort.xyz/entity/erik-sandewall

## Summary
Erik Sandewall was a Swedish computer scientist known for his contributions to artificial intelligence. He was a professor at Linköping University and a member of several prestigious Swedish academies. His work focused on knowledge representation and reasoning systems.

## Biography
- Born: October 24, 1945 in Oskarshamn, Sweden
- Nationality: Swedish
- Education: Uppsala University (doctoral advisor: Heinz-Otto Kreiss and John McCarthy)
- Known for: Artificial intelligence, knowledge representation, and reasoning systems
- Employer(s): Linköping University, Royal Institute of Technology
- Field(s): Computer science, artificial intelligence

## Contributions
Erik Sandewall made significant contributions to artificial intelligence, particularly in knowledge representation and reasoning systems. He was a professor at Linköping University where he supervised multiple doctoral students including Patrick Doherty, Andrzej Lingas, Christer Bäckström, Lin Padgham, and Patrick Lambrix. His research focused on developing formal methods for representing and reasoning about knowledge in AI systems. Sandewall was also a member of the Royal Swedish Academy of Sciences, Royal Swedish Academy of Engineering Sciences, and Academia Europaea, where he contributed to advancing the field of informatics.

## FAQs
### Q: What was Erik Sandewall's main area of research?
A: Erik Sandewall specialized in artificial intelligence, particularly knowledge representation and reasoning systems. His work focused on developing formal methods for representing knowledge in AI systems.

### Q: Where did Erik Sandewall work as a professor?
A: Erik Sandewall was a professor at Linköping University and also had affiliations with the Royal Institute of Technology in Sweden.

### Q: Who were Erik Sandewall's doctoral advisors?
A: Erik Sandewall completed his doctoral studies under the supervision of Heinz-Otto Kreiss and John McCarthy.

## Why They Matter
Erik Sandewall's work in knowledge representation and reasoning systems helped advance the field of artificial intelligence by providing formal frameworks for how machines can represent and reason about knowledge. His contributions influenced both theoretical foundations and practical applications in AI. As an educator, he mentored numerous doctoral students who went on to contribute to the field, creating a lasting academic legacy. His membership in prestigious Swedish academies also helped bridge the gap between academic research and broader scientific communities.

## Notable For
- Professor at Linköping University specializing in artificial intelligence
- Supervised multiple doctoral students who became prominent researchers
- Member of Royal Swedish Academy of Sciences and Royal Swedish Academy of Engineering Sciences
- Elected AAAI Fellow in 1990 for contributions to artificial intelligence
- Collaborated with John McCarthy, a pioneer in AI

## Body
### Academic Career
Erik Sandewall built his academic career primarily at Linköping University, where he served as a professor and researcher in computer science. His work spanned several decades, during which he supervised numerous doctoral students who went on to become researchers and professors themselves.

### Research Focus
Sandewall's research centered on knowledge representation and reasoning in artificial intelligence. He worked on developing formal methods and systems that could represent complex knowledge structures and enable logical reasoning about them. This work was fundamental to advancing AI systems' ability to handle complex, real-world knowledge.

### Academic Lineage
His doctoral advisors included both Heinz-Otto Kreiss and John McCarthy, connecting him to both mathematical and AI research traditions. This dual influence shaped his approach to combining rigorous mathematical foundations with practical AI applications.

### Professional Recognition
In 1990, Sandewall was elected as an AAAI Fellow, recognizing his significant contributions to the field of artificial intelligence. He was also elected to multiple Swedish academies, including the Royal Swedish Academy of Sciences and the Royal Swedish Academy of Engineering Sciences.

### Educational Impact
Throughout his career, Sandewall supervised doctoral students including Patrick Doherty, Andrzej Lingas, Christer Bäckström, Lin Padgham, and Patrick Lambrix. These students have gone on to make their own contributions to computer science and AI, extending Sandewall's influence through his academic lineage.

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## References

1. Mathematics Genealogy Project
2. [Source](https://www.ida.liu.se/~erisa03/homepage/photo-cv.html)
3. [Source](https://aaai.org/about-aaai/aaai-awards/the-aaai-fellows-program/elected-aaai-fellows/)
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://www.ae-info.org/ae/User/Sandewall_Erik)
7. dblp computer science bibliography
8. National Library of Israel Names and Subjects Authority File