# Ronald George Wreyford Norrish

> British chemist

**Wikidata**: [Q235834](https://www.wikidata.org/wiki/Q235834)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ronald_George_Wreyford_Norrish)  
**Source**: https://4ort.xyz/entity/ronald-george-wreyford-norrish

## Summary

Ronald George Wreyford Norrish (1897–1978) was a British chemist who was awarded the Nobel Prize in Chemistry in 1967 for his pioneering work on the mechanism of chemical reactions. He was a Fellow of the Royal Society and made significant contributions to the understanding of reaction kinetics and photochemistry throughout his career at the University of Cambridge.

## Biography

- **Born**: November 9, 1897
- **Died**: June 7, 1978
- **Nationality**: British (United Kingdom)
- **Education**: Educated at Emmanuel College, University of Cambridge
- **Known for**: Work on the mechanism of chemical reactions; development of flash photolysis techniques
- **Employer(s)**: University of Cambridge
- **Field(s)**: Chemistry; Chemical kinetics; Photochemistry

## Contributions

Ronald George Wreyford Norrish conducted groundbreaking research in chemical kinetics and photochemistry. His most significant contribution was the development of the flash photolysis technique, which allowed scientists to study extremely fast chemical reactions by creating and observing short-lived chemical intermediates. This technique revolutionized the study of reaction mechanisms and earned him the Nobel Prize in Chemistry in 1967, which he shared with Manfred Eigen and George Porter. Norrish's work provided fundamental insights into how chemical reactions occur at the molecular level, particularly the intermediate steps in complex reactions.

## FAQs

**What was Ronald George Wreyford Norrish's most significant scientific achievement?**

Norrish developed the flash photolysis technique, a method for studying rapid chemical reactions by creating and observing short-lived chemical intermediates using short bursts of light. This breakthrough earned him the Nobel Prize in Chemistry in 1967.

**Where did Ronald George Wreyford Norrish work?**

Norrish was associated with the University of Cambridge throughout his career, specifically Emmanuel College, where he studied and later worked as a university teacher.

**What awards did Ronald George Wreyford Norrish receive?**

Norrish received numerous prestigious awards including the Nobel Prize in Chemistry (1967), Davy Medal, Royal Society Bakerian Medal, Faraday Lectureship Prize, Meldola Medal and Prize, Liversidge Award, Longstaff Prize, and was elected a Fellow of the Royal Society. He also received an honorary doctorate (doctor honoris causa) from the University of Paris.

**What field did Ronald George Wreyford Norrish work in?**

Norrish worked primarily in chemistry, specifically focusing on chemical kinetics and photochemistry. His research centered on understanding the mechanisms of chemical reactions.

**When did Ronald George Wreyford Norrish live?**

Norrish was born on November 9, 1897, and died on June 7, 1978, living through both World Wars.

## Why They Matter

Ronald George Wreyford Norrish's work fundamentally changed our understanding of chemical reactions. Before his research, scientists could observe the starting materials and end products of chemical reactions but had limited ability to understand the intermediate steps. His flash photolysis technique allowed researchers to directly observe transient chemical species that exist for only fractions of a second during reactions. This advancement was crucial for understanding combustion processes, atmospheric chemistry, and pharmaceutical reactions. The technique he developed remains a foundational method in chemical kinetics research today and paved the way for numerous subsequent discoveries in physical chemistry. His Nobel Prize recognized not just his individual achievement but the broader impact his methodology had on the entire field of chemistry.

## Notable For

- Nobel Prize in Chemistry (1967) for work on the mechanism of chemical reactions
- Development of flash photolysis technique
- Fellow of the Royal Society
- Davy Medal recipient
- Royal Society Bakerian Medal recipient
- Faraday Lectureship Prize recipient
- Meldola Medal and Prize recipient
- Liversidge Award recipient
- Longstaff Prize recipient
- Doctor honoris causa from the University of Paris

## Body

### Early Life and Education

Ronald George Wreyford Norrish was born on November 9, 1897. He pursued his higher education at Emmanuel College, University of Cambridge, one of the constituent colleges of the prestigious Cambridge University. His academic focus was chemistry, and he developed an early interest in understanding the fundamental processes that govern chemical reactions.

### Academic Career

Norrish spent the majority of his professional career at the University of Cambridge. As a university teacher, he combined his passion for research with education, mentoring the next generation of chemists. His position at Cambridge placed him at the center of British scientific research during a transformative period in chemistry.

### Research Contributions

Norrish's most significant scientific contribution was the development of flash photolysis. This technique involves using short, intense pulses of light to initiate chemical reactions and then using rapid spectroscopic methods to observe the intermediate species formed during the reaction. The technique allowed chemists to study reactions that occur in fractions of a second, opening up entirely new avenues for understanding reaction mechanisms.

His research focused on the kinetics of chemical reactions, particularly the intermediate steps in complex reactions. By providing a way to directly observe transient chemical species, his work helped resolve fundamental questions about how chemical reactions proceed at the molecular level.

### Recognition and Awards

Norrish received extensive recognition for his contributions to chemistry. His achievements include:

- Nobel Prize in Chemistry (1967) – awarded for his studies of extremely fast chemical reactions
- Davy Medal – one of the Royal Society's highest honors in chemistry
- Royal Society Bakerian Medal – among the premier medals of the Royal Society
- Faraday Lectureship Prize – awarded by the Royal Society of Chemistry
- Meldola Medal and Prize – granted by the Royal Society of Chemistry
- Liversidge Award – granted by the Royal Society of Chemistry
- Longstaff Prize – granted by the Royal Society of Chemistry
- Fellowship of the Royal Society – elected Fellow in recognition of his scientific achievements
- Doctor honoris causa from the University of Paris – honorary doctorate from a prestigious French institution

### Legacy

Ronald George Wreyford Norrish's work laid the foundation for modern chemical kinetics. The flash photolysis technique he developed remains a crucial tool in physical chemistry research. His contributions influenced subsequent generations of chemists and advanced our understanding of fundamental chemical processes. The Nobel Prize recognition cemented his place among the most important chemists of the 20th century, and his research methods continue to be employed in laboratories worldwide.

## References

1. [Source](https://www.rsc.org/prizes-funding/prizes/archives/meldola-medal-and-prize/)
2. [Source](https://www.rsc.org/prizes-funding/prizes/archives/liversidge-award/)
3. [Source](https://archive.org/details/sim_journal-officiel-de-la-republique-francaise_1958-12-07_286/page/10986/mode/2up)
4. [Award winners : Davy Medal](https://docs.google.com/spreadsheets/d/1dsunM9ukGLgaW3HdG9cvJ_QKd7pWjGI0qi_fCb1ROD4/pubhtml?gid=1021770356&single=true)
5. [The Nobel Prize in Chemistry 1967. nobelprize.org](https://www.nobelprize.org/prizes/chemistry/1967/summary/)
6. [Table showing prize amounts. Nobel Foundation. 2019](https://www.nobelprize.org/uploads/2019/04/prize-amounts-2020.pdf)
7. [Source](https://www.rsc.org/prizes-funding/prizes/find-a-prize/longstaff-prize/previous-winners/)
8. SNAC
9. Brockhaus Enzyklopädie
10. Great Norwegian Encyclopedia
11. Gran Enciclopèdia Catalana
12. Croatian Encyclopedia
13. Munzinger Personen
14. Freebase Data Dumps. 2013
15. Virtual International Authority File
16. nobelprize.org
17. Le Monde. 1978