# Walter Bradford Cannon

> American physiologist (1871-1945)

**Wikidata**: [Q503192](https://www.wikidata.org/wiki/Q503192)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Walter_Bradford_Cannon)  
**Source**: https://4ort.xyz/entity/walter-bradford-cannon

## Summary
Walter Bradford Cannon (1871–1945) was an American physiologist renowned for his groundbreaking research in the physiology of emotion and stress. He is best known for coining the term "fight or flight" response and for his pioneering work on homeostasis.

## Biography
- **Born**: October 19, 1871, in Burlington, Vermont, United States  
- **Nationality**: American  
- **Education**: Harvard Medical School, Harvard University  
- **Known for**: Discovering the "fight or flight" response and defining the concept of homeostasis  
- **Employer(s)**: Harvard University, Harvard Medical School  
- **Field(s)**: Physiology, neuroscience, endocrinology  

## Contributions
Walter Bradford Cannon made several foundational contributions to the field of physiology:
- **"Fight or Flight" Concept**: Introduced in his 1915 book *The Bodily Changes in Pain, Hunger, Fear and Rage*, this concept described the body's physiological response to perceived threats.
- **Homeostasis**: Cannon coined this term to describe the body's ability to maintain internal stability, a concept he elaborated in his 1932 book *The Wisdom of the Body*.
- **Research on Adrenaline**: Conducted early studies on the role of adrenaline in emergency physiological responses.
- **Publications**:
  - *The Bodily Changes in Pain, Hunger, Fear and Rage* (1915)
  - *The Wisdom of the Body* (1932)
- **Academic Leadership**: Taught and mentored at Harvard Medical School, shaping generations of medical researchers.

## FAQs
**What is Walter Bradford Cannon known for?**  
Cannon is best known for defining the "fight or flight" response and coining the term "homeostasis" to describe the body's self-regulating systems.

**Where did Walter Bradford Cannon study and work?**  
He was educated at Harvard University and Harvard Medical School and spent much of his career there as both a researcher and educator.

**What were Walter Cannon’s major scientific contributions?**  
He fundamentally shaped the understanding of physiological stress responses and introduced key concepts like "fight or flight" and "homeostasis," which remain central to medical education and research.

**Did Walter Cannon receive any honors or awards?**  
Yes, he received several honors, including the Croonian Medal, honorary doctorates from the University of Paris and University of Strasbourg, and membership in numerous prestigious academies.

**What institutions was Walter Cannon affiliated with?**  
He was primarily affiliated with Harvard University and Harvard Medical School, where he conducted much of his influential research and teaching.

## Why They Matter
Walter Bradford Cannon transformed the understanding of physiological and emotional responses through his research on stress and self-regulation. His concept of "homeostasis" became a foundational principle in biology and medicine, influencing fields from endocrinology to psychology. His "fight or flight" model laid the groundwork for modern stress research and behavioral science. By integrating laboratory research with real-world applications, Cannon influenced generations of scientists and clinicians, shaping the development of psychosomatic medicine and neuroendocrinology.

## Notable For
- Coining the term "homeostasis" to describe the body's regulatory mechanisms  
- Introducing the "fight or flight" response in *The Bodily Changes in Pain, Hunger, Fear and Rage* (1915)  
- Authoring *The Wisdom of the Body* (1932), a seminal work on biological self-regulation  
- Member of the National Academy of Sciences, American Academy of Arts and Sciences, and Royal Society  
- Recipient of the Croonian Medal, Baly Medal, and George M. Kober Lectureship  
- Educated at Harvard University and Harvard Medical School  
- Honorary doctorates from the University of Paris and University of Strasbourg  

## Body

### Early Life and Education
Walter Bradford Cannon was born on October 19, 1871, in Burlington, Vermont. He pursued his undergraduate and medical education at Harvard University and Harvard Medical School, institutions where he would later become a leading academic figure. His early academic training laid the foundation for his lifelong focus on the physiology of emotion and stress.

### Career and Academic Contributions
Cannon spent the majority of his professional life at Harvard Medical School, where he conducted pioneering research in neurology and endocrinology. His work fundamentally altered the understanding of how the body responds to stress, particularly through the sympathetic nervous system.

#### Key Concepts and Publications
- **Fight or Flight Response**: First articulated in his 1915 publication *The Bodily Changes in Pain, Hunger, Fear and Rage*, this concept explained how emotional and physical stressors trigger automatic physiological responses.
- **Homeostasis**: In *The Wisdom of the Body* (1932), Cannon described the principle of homeostasis, emphasizing the body's capacity to self-regulate and maintain internal balance.
- **Research on Adrenaline**: Cannon conducted some of the earliest studies on the physiological effects of adrenaline, particularly its role in emergency responses.

### Awards and Recognition
Cannon received numerous honors during and after his career:
- **Croonian Medal and Lecture** (United Kingdom)
- **Baly Medal** (United Kingdom)
- **George M. Kober Lectureship** (United States)
- Honorary doctorates from:
  - University of Paris (France)
  - University of Strasbourg (France)

He was also a member of several prestigious scientific societies:
- **National Academy of Sciences** (United States)
- **American Academy of Arts and Sciences** (United States)
- **Royal Society** (United Kingdom)
- **German Academy of Sciences Leopoldina** (Germany)
- **Academy of Sciences of the USSR** (Soviet Union)
- **Royal Academy of Medicine of Belgium**
- **American Philosophical Society**

### Legacy and Influence
Cannon's work laid the foundation for modern stress theory and endocrinology. His concepts of "fight or flight" and "homeostasis" remain central to medical and psychological education. His influence extended beyond the laboratory into clinical applications, particularly in understanding trauma, surgery, and mental health.

### Personal Life and Death
Walter Bradford Cannon passed away on October 1, 1945. His contributions continue to be taught in medical and psychological curricula worldwide, and his theories remain influential in both research and clinical settings.

### Affiliations and Institutional Ties
- **Harvard University**
- **Harvard Medical School**
These institutions were central to Cannon’s research and teaching career, and he remained a lifelong member of their academic communities.

## References

1. BnF authorities
2. Integrated Authority File
3. Geni.com
4. [Marian Cannon Schlesinger, Author and Eyewitness to History, Dies at 105. The New York Times. 2017](https://www.nytimes.com/2017/10/17/obituaries/marian-schlesinger-dead-author-and-eyewitness-to-history.html)
5. Complete List of Royal Society Fellows 1660-2007
6. [Source](https://aap-online.org/kober/)
7. [Liste des docteurs honoris causa de l'Université de Paris de 1918 à 1933 inclus. Annales de l'Université de Paris. 1934](https://gallica.bnf.fr/ark:/12148/bpt6k93885z/f95.item)
8. [Source](https://journals.openedition.org/framespa/515)
9. [Source](https://gallica.bnf.fr/ark:/12148/bpt6k32169328/f71)
10. International Standard Name Identifier
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20. Freebase Data Dumps. 2013
21. nobelprize.org
22. [BnF authorities](http://data.bnf.fr/ark:/12148/cb15510865q)
23. Treccani's Enciclopedia on line
24. Enciclopedia Treccani