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Thomas Addison

Thomas Addison (1793-1860)

Thomas Addison (April, 1793 - June 29, 1860) was a renowned 19th-century English physician and scientist. He is traditionally regarded as one of the "great men" of Guy's Hospital in London.

The early years

Thomas Addison was born in Longbenton, Northumberland, the son of Sarah and Joseph Addison, a grocer and flower-seller. He attended the local village school and then went to the Royal Free Grammar School in Newcastle upon Tyne. He learned Latin so well that he made notes in Latin and spoke it fluently.

Addison's father wanted him to become a lawyer, but he entered the University of Edinburgh in 1812 as a medical student. In 1815 he received the degree of Doctor of Medicine. His thesis was on Dissertatio medica inauguralis quaedam de syphilide et hydrargyro complectens (Concerning Syphilis and Mercury).

Addison moved from Edinburgh to London the same year and became a house surgeon (a surgical resident) at the Lock Hospital. Addison was also a pupil of Thomas Bateman at the public dispensary. He began a practice in medicine while he was physician at an open ward reception on Carey Street.

Thanks to his teachers, Addison became fascinated by diseases of the skin (dermatology). This fascination, which lasted the rest of his life, led him to be the first to describe the changes in skin pigmentation typical of what is now called Addison's disease.

Guy's Hospital

Addison's memorable career as a physician and scientist is usually dated to 1817 when he enrolled as a physician pupil at Guy's Hospital. Guy's Medical School recorded his entrance as follows: "Dec. 13, 1817, from Edinburgh, T. Addison, M.D., paid pounds 22-1s to be a perpetual Physician's pupil." Addison obtained his licentiateship in the Royal College of Physicians in 1819 and some years later was elected a fellow of the Royal College.

Addison was promoted to assistant physician on January 14, 1824 and in 1827 he was appointed lecturer of materia medica. In 1835 Addison was joint lecturer with Richard Bright on practical medicine, and in 1837 he became a full physician at Guy's Hospital. When Bright retired from the lectureship in 1840 Addison became sole lecturer. He held this position until about 1854-55. At that time, when medical students paid fees for separate courses of lectures, they searched throughout the city for the most attractive teachers. Addison was a brilliant lecturer. He attracted a large number of medical students to his lectures.

Thomas Addison was a superb diagnostician but rather a shy and taciturn man and had a small practice, at a time when physicians of his position usually had large practices. He was one of the most respected physicians at the Guy's Hospital where he exerted a great deal of influence, devoting himself almost wholly to his students and patients. He was described as the type of doctor who is always trying to discover the change in a piece of machinery rather than one who, like his contemporary Benjamin Guy Babington, regarded his patients as suffering, sensitive human beings.

Diseases Addison described

Addison is known today for describing a remarkably wide range of diseases. His name has entered into the annals of medicine and is part of the name of a number of medical disorders, including:

* Addison's disease, sometime called bronze skin disease - progressive destruction of the adrenal glands with the result being deficiency of secretion of adrenocortical hormones. Addison described this condition in his 1855 publication: On the Constitutional and Local Effects of Disease of the Suprarenal Capsules.

* Addisonian crisis (or Addison's crisis) - an acute, life-threatening crisis caused by Addison's disease.

* Addisonism - a set of symptoms resembling Addison's disease but not due to Addison's disease, that is, not due to any disease of the adrenal glands.

* Addisonian anemia or Addison-Biermer disease - now synonymous with pernicious anemia which involves Vitamin B12 deficiency.

* Addison-Schilder syndrome is a metabolic disorder combining the characteristics of Addison’s disease (bronze skin disease) and cerebral sclerosis Also known as Adrenoleukodystrophy.

Addison gave one of the first adequate accounts of appendicitis and wrote a valuable study of the actions of poisons. He also made seminal contributions to the recognition and understanding of many other diseases, including;

* Alibert's disease I - a skin disease characterized by pinkish patches, bordered by a purplish halo

* Allgrove's syndrome - a congenital defect in lacrimation

* Rayer's disease - a disorder characterized by depigmented patches of skin, jaundice, and enlargement of the liver and spleen, and

The end

Thomas Addison suffered from many episodes of marked depression. It would seem certain that depression contributed to his retirement in 1860. He wrote then to his medical students as follows: "A considerable breakdown in my health has scared me from the anxieties, responsibilities and excitement of my profession; whether temporarily or permanently cannot yet be determined but, whatever may be the issue, be assured that nothing was better calculated to soothe me than the kind interest manifested by the pupils of Guy's Hospital during the many trying years devoted to that institution."

Three months later he committed suicide. The date was June 29, 1860. The day after his death the Brighton Herald recorded that:

“ "Dr Addison, formerly a physician to Guy's Hospital, committed suicide by jumping down the area (i.e. the space between the front of the house and the street) of 15 Wellington Villas, where he had for some time been residing, under the care of two attendants, having before attempted self-destruction. He was 72 years of age [sic], and laboured under the form of insanity called melancholia, resulting from overwork of the brain. He was walking in the garden with his attendants, when he was summoned in to dinner. He made as if towards the front door, but suddenly threw himself over a dwarf-wall into the area - a distance of nine feet - and, falling on his head, the frontal bone was fractured, and death resulted at one o'clock yesterday morning" ”

He was buried in the churchyard of Lanercost Priory. One of the "great men" of Guy's Hospital had passed but he was not forgotten. The hospital had a bust made of him, named a hall of the new part of the hospital for him, and perpetuated his memory with a marble wall table in the chapel. Thomas Addison was at Guy's forever.

A fuller account of his life, written by those who knew him, Drs. Wilks, Daldy and Greenhow, is given in one of the external links below.


* Thomas Addison [1855]. On The Constitutional And Local Effects Of Disease Of The Supra-Renal Capsules (HTML reprint), London: Samuel Highley.

* Charles Douglas Wehner. Curriculum Vitae. Retrieved on 2006-06-11. - includes Biography

Further reading

* Benjamin, John (1970). "Addison, Thomas". Dictionary of Scientific Biography 1. New York: Charles Scribner's Sons. 59-60. ISBN 0684101149.

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