# Thomas Cavalier-Smith

> British biologist (1942–2021)

**Wikidata**: [Q454117](https://www.wikidata.org/wiki/Q454117)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Thomas_Cavalier-Smith)  
**Source**: https://4ort.xyz/entity/thomas-cavalier-smith

## Summary

Thomas Cavalier-Smith was born on October 21, 1942, in London and died on March 19, 2021[1]. He held citizenship in the United Kingdom and was married to Ema E-Yung Chao[2].He worked as a biologist, professor, botanist, evolutionary biologist, protistologist, and microbiologist. His employers included the University of Oxford and King's College London, and his fields were botany and evolutionary biology.His work earned him several distinctions, including Fellow of the Royal Society, the International Prize for Biology, the Frink Medal, and the Linnean Medal[3].

## Summary
Thomas Cavalier-Smith was a British biologist renowned for his contributions to evolutionary biology and the classification of eukaryotic organisms. Born in 1942, he held academic positions at prestigious institutions such as the University of Oxford and King's College London, and was a Fellow of the Royal Society. His work fundamentally reshaped the understanding of microbial evolution and diversity.

## Biography
- **Born**: October 21, 1942
- **Nationality**: British
- **Education**: Educated at Gonville and Caius College, Cambridge
- **Known for**: Pioneering research in evolutionary biology, particularly in the classification of eukaryotes
- **Employer(s)**: University of Oxford, King's College London
- **Field(s)**: Evolutionary biology, microbiology, botany

## Contributions
- **Taxonomic Innovations**: Introduced significant revisions to the classification of eukaryotic organisms, proposing new kingdoms such as Chromista and Archaeplastida.
- **Publications**: Authored numerous influential papers on microbial evolution, including works on the origin of eukaryotes and the reclassification of protists.
- **Awards and Recognition**: Recipient of the Linnean Medal, Frink Medal, and International Prize for Biology, recognizing his outstanding contributions to biological sciences.

## FAQs
**What were Thomas Cavalier-Smith's major scientific contributions?**  
He revolutionized the classification of eukaryotic organisms, introducing new taxonomic groups that better reflect evolutionary relationships, and made seminal contributions to understanding microbial evolution.

**Where did Thomas Cavalier-Smith work?**  
He held positions at the University of Oxford and King's College London, among other academic institutions.

**What awards did Thomas Cavalier-Smith receive?**  
He was awarded the Linnean Medal, Frink Medal, and International Prize for Biology, and was elected a Fellow of the Royal Society.

**What fields did Thomas Cavalier-Smith specialize in?**  
His expertise spanned evolutionary biology, microbiology, and botany, with a focus on the systematics and evolution of eukaryotes.

## Why They Matter
Thomas Cavalier-Smith's work transformed the field of evolutionary biology by providing a more accurate framework for understanding the diversity of life, particularly among eukaryotic microorganisms. His taxonomic revisions have had lasting impacts on biological classification, influencing research in microbiology, ecology, and conservation. Without his contributions, the scientific community's ability to study and categorize microbial life would be significantly hindered.

## Notable For
- **Taxonomic Revisions**: Redefined the classification of eukaryotes, introducing kingdoms such as Chromista.
- **Awards**: Linnean Medal, Frink Medal, International Prize for Biology.
- **Academic Affiliations**: Fellow of the Royal Society; held positions at the University of Oxford and King's College London.
- **Interdisciplinary Impact**: Bridged evolutionary biology, microbiology, and botany to advance understanding of microbial diversity.

## Body

### Early Life and Education
Thomas Cavalier-Smith was born on October 21, 1942. He pursued his education at Gonville and Caius College, Cambridge, laying the foundation for his future academic career.

### Academic Career
Cavalier-Smith held notable positions at the University of Oxford and King's College London. His academic roles were instrumental in shaping his research focus on evolutionary biology and microbial systematics.

### Taxonomic Contributions
A key aspect of Cavalier-Smith's work was his reclassification of eukaryotic organisms. He proposed the kingdom Chromista, which includes algae and protozoa, and redefined other taxonomic groups to better reflect evolutionary relationships. These revisions were published in seminal papers that challenged existing classifications and provided a more nuanced understanding of microbial diversity.

### Awards and Recognition
Throughout his career, Cavalier-Smith received several prestigious awards, including the Linnean Medal (2007), Frink Medal (2004), and International Prize for Biology (2004). He was also elected a Fellow of the Royal Society, a testament to his significant contributions to biological sciences.

### Legacy and Influence
Cavalier-Smith's work has profoundly influenced the study of microbial evolution and systematics. His taxonomic frameworks remain integral to biological research, enabling scientists to explore the complexity of eukaryotic life with greater precision. His interdisciplinary approach, combining insights from evolutionary biology, microbiology, and botany, has inspired subsequent generations of researchers.

### Major Publications and Impact
Cavalier-Smith authored numerous influential papers, many of which focused on the origin and diversification of eukaryotes. His research on the evolution of plastids and the classification of protists has been particularly impactful, reshaping scientific discourse in these areas. These works continue to be cited extensively, underscoring their enduring relevance to contemporary biological research.

### Institutional Affiliations
Beyond his academic appointments, Cavalier-Smith was affiliated with the Royal Society and the Royal Society of Canada. These affiliations facilitated collaboration and the dissemination of his research findings, further amplifying his contributions to the global scientific community.

## References

1. [Source](https://www.zin.ru/journals/protistology/num15_1/in-memoriam_protistology_15-1.pdf)
2. International Plant Names Index
3. [Source](http://www.jsps.go.jp/english/e-biol/02_pastrecipients.html)
4. CiNii Research
5. [Source](https://www.protistology.org.uk/t-c-s)
6. Freebase Data Dumps. 2013
7. Integrated Authority File
8. National Library of Israel Names and Subjects Authority File