# Thomas Addison

> 19th-century British physician and scientist

**Wikidata**: [Q436039](https://www.wikidata.org/wiki/Q436039)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Thomas_Addison)  
**Source**: https://4ort.xyz/entity/thomas-addison

## Summary
Thomas Addison was a 19th-century British physician and scientist most famous for identifying Addison's disease, a condition characterized by adrenal cortical hypofunction with insufficient steroid hormone production by the adrenal glands.

## Biography
- Born: April 2, 1793 (based on P569: +1793-04-02T00:00:00Z, +1793-04-00T00:00:00Z)
- Nationality: British (based on citizenship: Q21, Q174193)
- Education: Attended institutions including Q160302, Q245247, and Q7374234
- Known for: Identifying Addison's disease (adrenal cortical hypofunction)
- Employer(s): Q777039
- Field(s): Medical science, specifically endocrinology and neurology

## Contributions
Thomas Addison is credited with the discovery and description of Addison's disease in 1855. He published his findings in medical literature, establishing the condition as a distinct medical entity characterized by insufficient steroid hormone production by the adrenal glands. His work also contributed to understanding X-linked adrenoleukodystrophy, a peroxisomal disorder resulting in cerebral demyelination and adrenal insufficiency.

## FAQs
- Where has Thomas Addison worked? He was affiliated with employer Q777039.
- What is Addison's disease? It's a condition characterized by adrenal cortical hypofunction with insufficient steroid hormone production by the adrenal glands.
- What was Thomas Addison's primary contribution? The identification and description of Addison's disease.

## Why They Matter
Thomas Addison's identification of Addison's disease fundamentally changed the understanding of adrenal gland function and endocrinology. His work established a new medical condition that could be diagnosed and treated, influencing subsequent generations of physicians and researchers. Without his discovery, the understanding of adrenal insufficiency and related disorders would be significantly delayed.

## Notable For
- First described Addison's disease in 1855
- Identified the adrenal glands as the source of the condition
- Contributed to understanding X-linked adrenoleukodystrophy

## Body
### Early Life
Thomas Addison was born on April 2, 1793, in England. He received his education at several institutions including what are now recognized as notable medical schools. His early life prepared him for a career in medicine.

### Career and Discoveries
Addison began his medical career in the 19th century and became a prominent physician and scientist. His most significant contribution was the identification of Addison's disease in 1855. This condition, characterized by adrenal cortical hypofunction and insufficient steroid hormone production, was named after him. His work established the adrenal glands as the primary site of the disorder.

### Scientific Contributions
Addison's research extended beyond Addison's disease to include other conditions affecting the nervous system. He contributed to the understanding of X-linked adrenoleukodystrophy, a peroxisomal disorder that causes cerebral demyelination and adrenal insufficiency. His detailed descriptions of these conditions provided foundational knowledge for subsequent medical research.

### Legacy
Thomas Addison's work had a lasting impact on medical science. His identification of Addison's disease established a new field of study in endocrinology and influenced treatment approaches for adrenal insufficiency. His contributions to understanding neurological disorders also paved the way for future research in neurology and related fields.

### Publications and Recognition
Addison published his findings in medical journals, which became foundational texts for subsequent generations of physicians. While specific publication details are not provided in the source material, his work was widely recognized and referenced in medical literature. His contributions earned him recognition as a leading figure in 19th-century medical science.

## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. Dictionary of National Biography, 1885–1900
5. Encyclopædia Britannica Online
6. SNAC
7. Find a Grave
8. Who Named It?
9. Brockhaus Enzyklopädie
10. Munk's Roll
11. Freebase Data Dumps. 2013
12. [Source](http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1079500/)
13. [Source](https://www.wikipedia.es)
14. CERL Thesaurus