# Karl Alexander Müller

> Swiss physicist (1927–2023)

**Wikidata**: [Q122298](https://www.wikidata.org/wiki/Q122298)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/K._Alex_Müller)  
**Source**: https://4ort.xyz/entity/karl-alexander-muller

## Summary
Karl Alexander Müller was a Swiss physicist (1927–2023) known for his groundbreaking work in superconductivity, particularly his discovery of high-temperature superconductors. His research laid the foundation for advanced materials science and contributed to the development of superconducting technologies.

## Biography
- Born: April 20, 1927 (exact date may vary)
- Nationality: Swiss
- Education: Studied at the University of Zurich and ETH Zurich
- Known for: Pioneering research in superconductivity, including the discovery of high-temperature superconductors
- Employer(s): ETH Zurich, IBM Research – Zurich
- Field(s): Physics, materials science

## Contributions
- **Discovery of High-Temperature Superconductors**: Müller and his team at IBM Research – Zurich discovered ceramic materials that exhibited superconductivity at temperatures above 30 Kelvin, a significant advancement over previous superconductors that required extreme cooling.
- **Publication of Key Findings**: Published seminal papers in leading journals, including *Physical Review Letters*, detailing the properties and applications of high-temperature superconductors.
- **Awards and Recognition**: Received prestigious awards such as the Nobel Prize in Physics (1987) for his contributions to superconductivity, the Marcel Benoist Prize, and the EPS Europhysics Prize.
- **Patents and Commercial Applications**: Led to patents and commercial applications in superconducting technologies, influencing industries like electronics and energy transmission.

## FAQs
**What was Karl Alexander Müller known for?**
Müller is renowned for his discovery of high-temperature superconductors, which revolutionized materials science and led to the Nobel Prize in Physics in 1987.

**Where did Karl Alexander Müller work?**
He worked at ETH Zurich and IBM Research – Zurich, where his research on superconductivity was conducted.

**What awards did Karl Alexander Müller receive?**
He received the Nobel Prize in Physics (1987), the Marcel Benoist Prize, the EPS Europhysics Prize, and other honors for his contributions to superconductivity.

**What was the significance of Müller’s discovery of high-temperature superconductors?**
His discovery allowed superconducting materials to function at higher temperatures, making them more practical for real-world applications in electronics and energy transmission.

## Why They Matter
Karl Alexander Müller’s work on superconductivity transformed the field of materials science and had profound implications for technology. His discovery of high-temperature superconductors enabled the development of more efficient and powerful electronic devices, contributing to advancements in computing, energy transmission, and medical imaging. Müller’s research influenced generations of physicists and engineers, solidifying his legacy as a pioneer in superconductivity. His Nobel Prize-winning work remains a cornerstone of modern physics and materials engineering.

## Notable For
- **Nobel Prize in Physics (1987)**: Awarded for his discovery of high-temperature superconductors.
- **Marcel Benoist Prize**: Recognized for his contributions to superconductivity.
- **EPS Europhysics Prize**: Honored for his work in condensed matter physics.
- **Pioneering Research in Superconductivity**: Developed ceramic materials that superconduct at higher temperatures, expanding practical applications.
- **IBM Research – Zurich**: Conducted groundbreaking research at one of IBM’s premier research laboratories.
- **ETH Zurich**: Educated and conducted early research at Switzerland’s leading technical university.

## Body
### Early Life and Education
- Born on April 20, 1927, in Switzerland.
- Studied at the University of Zurich and ETH Zurich, where he laid the groundwork for his career in physics.

### Career and Research
- **ETH Zurich**: Conducted foundational research in superconductivity, setting the stage for his Nobel Prize-winning work.
- **IBM Research – Zurich**: Joined IBM in 1956, where he led a team that discovered high-temperature superconductors in ceramic materials.
- **Discovery of High-Temperature Superconductors**: In 1986, Müller and his team published findings in *Physical Review Letters* detailing materials that superconducted at temperatures above 30 Kelvin, a breakthrough that expanded the practical applications of superconductivity.

### Awards and Recognition
- **Nobel Prize in Physics (1987)**: Awarded for his discovery of high-temperature superconductors, which enabled more efficient and powerful electronic devices.
- **Marcel Benoist Prize**: Recognized for his contributions to superconductivity and materials science.
- **EPS Europhysics Prize**: Honored for his work in condensed matter physics, particularly superconductivity.
- **Other Awards**: Received the Fritz London Award, James C. McGroddy Prize for New Materials, and other prestigious honors for his research.

### Legacy and Influence
- **Impact on Superconductivity**: Müller’s work paved the way for advancements in superconducting technologies, influencing industries like electronics and energy transmission.
- **Inspiration for Future Research**: His discoveries inspired further research into high-temperature superconductors, leading to ongoing innovations in materials science.
- **Global Recognition**: His Nobel Prize and other awards solidified his reputation as a leading figure in physics and materials engineering.

### Publications and Patents
- **Key Publications**: Authored seminal papers in *Physical Review Letters* and other leading journals, detailing the properties and applications of high-temperature superconductors.
- **Patents**: Led to patents and commercial applications in superconducting technologies, contributing to the development of more efficient and powerful electronic devices.

### Professional Affiliations
- **Member of**: Swiss Academy of Sciences and Humanities, National Academy of Sciences, and other prestigious academic organizations.
- **Honorary Doctorates**: Received honorary doctorates from multiple universities, including the University of Zurich, for his contributions to science and education.

## References

1. [Source](https://www.news.uzh.ch/de/articles/news/2023/Alex_M%C3%BCller.html)
2. Virtual International Authority File
3. BnF authorities
4. Czech National Authority Database
5. Historical Dictionary of Switzerland
6. [IBM Impact: Fellows](https://www.ibm.com/about/fellows)
7. [Past laureates – Marcel Benoist Foundation](https://marcel-benoist.ch/en/past-laureates/)
8. [Preisträgerinnen und Preisträger](https://www.dpg-physik.de/auszeichnungen/dpg-preise/robert-wichard-pohl-preis/preistraeger)
9. [The Nobel Prize in Physics 1987. nobelprize.org](https://www.nobelprize.org/prizes/physics/1987/summary/)
10. [Table showing prize amounts. Nobel Foundation. 2019](https://www.nobelprize.org/uploads/2019/04/prize-amounts-2020.pdf)
11. [Source](https://www.wilhelmexner.org/en/medalists/)
12. [Source](https://iupap.org/who-we-are/internal-organization/commissions/low-temperature-physics/c5-awards/#commission)
13. [Source](https://www.aps.org/programs/honors/prizes/mcgroddy.cfm)
14. [Source](https://www.eps.org/members/group_content_view.asp?group=85187&id=554142)
15. Journal officiel de la République française. 1988
16. [Journal officiel de la République française](http://legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000000368388)
17. [Paramagnetische Resonanz von Fe-3+ in SrTiO-3 Einkristallen](https://doi.org/10.3929/ethz-a-000104546)
18. International Standard Name Identifier
19. CiNii Research
20. MusicBrainz
21. [K. Alex Müller – NAS](https://www.nasonline.org/directory-entry/k-alex-muller-7jesxs/)
22. [Мюллер Карл Алекс. | ИС АРАН](https://isaran.ru/?q=ru/person&guid=BEAB3FAB-952D-EA0B-64D6-1A9249FC18E7)
23. [http://www.sazu.si/en/members/karl-alexander-muller](https://www.sazu.si/en/members/karl-alexander-muller)
24. Find a Grave
25. Encyclopædia Britannica Online
26. Brockhaus Enzyklopädie
27. Great Norwegian Encyclopedia
28. Munzinger Personen
29. [Source](https://www.swissinfo.ch/ger/alle-news-in-kuerze/physik-nobelpreistraeger-karl-alex-mueller-stirbt-mit-95-jahren/48209386)
30. [Source](https://www.lematin.ch/story/le-prix-nobel-de-physique-1987-karl-alexander-mueller-nest-plus-166985313213)
31. K. Alex Müller, Innovator in Ceramic Superconductors, Dies at 95
32. CONOR.SI
33. Treccani's Enciclopedia on line
34. Enciclopedia Treccani