Ivan Honl
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Ivan Honl (23 April 1866 in
Zbýšov Zbýšov is a town in Brno-Country District in the South Moravian Region of the Czech Republic. It has about 3,700 inhabitants. Geography Zbýšov is located about west of Brno. It lies on the border between the Křižanov Highlands and Boskov ...
,
Moravia Moravia ( ; ) is a historical region in the eastern Czech Republic, roughly encompassing its territory within the Danube River's drainage basin. It is one of three historical Czech lands, with Bohemia and Czech Silesia. The medieval and early ...
– 7 June 1936 in ,
Náchod Náchod (; ) is a town in the Hradec Králové Region of the Czech Republic. It has about 20,000 inhabitants. It is known both as a tourist destination and centre of industry. The historic town centre with the castle complex is well preserved and i ...
, Czechoslovakia) was a Czech
bacteriologist A bacteriologist is a microbiologist, or similarly trained professional, in bacteriology— a subdivision of microbiology that studies bacteria, typically Pathogenic bacteria, pathogenic ones. Bacteriologists are interested in studying and learnin ...
, serologist and
activist Activism consists of efforts to promote, impede, direct or intervene in social, political, economic or environmental reform with the desire to make changes in society toward a perceived common good. Forms of activism range from mandate build ...
in the struggle against
tuberculosis Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
. Honl became one of founders of Czech
microbiology Microbiology () is the branches of science, scientific study of microorganisms, those being of unicellular organism, unicellular (single-celled), multicellular organism, multicellular (consisting of complex cells), or non-cellular life, acellula ...
. Under the guidance of Jaroslav Hlava Honl gained his habilitation in bacteriology at
Charles University in Prague Charles University (CUNI; , UK; ; ), or historically as the University of Prague (), is the largest university in the Czech Republic. It is one of the oldest universities in the world in continuous operation, the oldest university north of the ...
in 1898. In 1919 he was named head to the new Czech Bacteriological Institute (''Ústav pro bakteriologii a sérologii Lékařské fakulty Univerzity Karlovy''). . Honl was one of the early researchers of
antibiotics An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
. At the end of the 1890s he isolated a product of ''Bacterium pyocyaneum'' (today called ''
Pseudomonas aeruginosa ''Pseudomonas aeruginosa'' is a common Bacterial capsule, encapsulated, Gram-negative bacteria, Gram-negative, Aerobic organism, aerobic–facultative anaerobe, facultatively anaerobic, Bacillus (shape), rod-shaped bacteria, bacterium that can c ...
''), which was used as medicine (Anginol) from the start of
WWI World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a global conflict between two coalitions: the Allies (or Entente) and the Central Powers. Fighting took place mainly in Europe and th ...
until it was replaced by
penicillin Penicillins (P, PCN or PEN) are a group of beta-lactam antibiotic, β-lactam antibiotics originally obtained from ''Penicillium'' Mold (fungus), moulds, principally ''Penicillium chrysogenum, P. chrysogenum'' and ''Penicillium rubens, P. ru ...
after
WWII World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
. In 1899 he co-founded an institute to treat tuberculosis in Czechoslovakia and was active in this struggle for decades.


External links


Short biography (in Czech)
{{DEFAULTSORT:Honl, Ivan 1866 births 1936 deaths Scientists from Bohemia People from Zbýšov Czech biologists Czech microbiologists Charles University alumni Scientists from Austria-Hungary