William Boog Leishman
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Lieutenant-General Sir William Boog Leishman FRS (//, 6 November 1865 – 2 June 1926) was a Scottish pathologist and British Army medical officer. He was Director-General of Army Medical Services from 1923 to 1926.
He was born in Glasgow and attended Westminster School and the University of Glasgow and entered the Royal Army Medical Corps. He served in India, where he studied enteric fever and kala azar. He returned to the United Kingdom and was stationed at the Victoria Hospital in Netley in 1897. In 1900 he was made Assistant Professor of Pathology in the Army Medical School, and described a method of staining blood for malaria and other parasites—a modification and simplification of the existing Romanowsky method using a compound of Methylene Blue and eosin, which became known as Leishman's stain.
In 1901, while examining pathologic specimens of a spleen from a patient who had died of kala azar (now called visceral leishmaniasis), he observed oval bodies and published his account of them in 1903. Charles Donovan of the Indian Medical Service independently found such bodies in other kala azar patients, and they are now known as Leishman-Donovan bodies (not to be confused with Donovan bodies, which are found in Granuloma inguinale, which is caused by Klebsiella granulomatis) and recognized as the protozoan that causes kala azar, Leishmania donovani. Synonyms for kala azar now include leishmaniasis.
Leishman's name was engraved into the history of parasitology by Sir Ronald Ross, who was impressed by Leishman's work and classified the etiologic agent of kala azar into the separate genus Leishmania. The parasitic organisms from this genus were described earlier by Peter Borovsky in 1892.
He was president of the Royal Society of Tropical Medicine and Hygiene in 1911–1912.
- "Obituary Notices of Fellows Deceased-William Boog Leishman". Proceedings of the Royal Society B (The Royal Society) 102 (720): i–xxvii. 2 April 1928. JSTOR 81250.
- Cox F. E. G. (October 2002). "History of Human Parasitology". Clin Microbiol Rev. (American Society for Microbiology) 15 (4): 595–612. doi:10.1128/CMR.15.4.595-612.2002. PMC 126866. PMID 12364371.