Hans Molisch (6 December 1856,

Brünn Brno ( , ; german: Brünn ) is a Statutory city (Czech Republic), city in the South Moravian Region of the Czech Republic. Located at the confluence of the Svitava (river), Svitava and Svratka (river), Svratka rivers, Brno has about 380,000 inha ...

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- 8 December 1937,

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) was a

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botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

Molisch's test Molisch's test is a sensitive chemical test, named after Austrian botanist Hans Molisch, for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid or hydrochloric acid to produce an aldehyde, which condenses ...

is named after him, it is a sensitive

chemical test In chemistry, a chemical test is a qualitative property, qualitative or Quantitative property, quantitative procedure designed to identify, quantify, or characterise a chemical compound or substituent, chemical group. Purposes Chemical testing m ...

for the presence of

carbohydrate In organic chemistry, a carbohydrate () is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula (where ''m'' may or ma ...

s. He taught as a

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...

at the German University of Prague (1894-),

Vienna University The University of Vienna (german: Universität Wien) is a public university, public research university located in Vienna, Austria. It was founded by Rudolf IV, Duke of Austria, Duke Rudolph IV in 1365 and is the oldest university in the Geogra ...

(1909-1928), Tohoku Imperial University (now

Tohoku University , or is a Japanese national university located in Sendai, Miyagi in the Tōhoku Region, Japan. It is informally referred to as . Established in 1907, it was the third Imperial University in Japan and among the first three Designated National ...

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; 1922–1925), and the Bose Institute in Kolkata

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;1928- From 1931 to 1937 he acted as the

vice-president A vice president, also director in British English, is an officer in government or business who is below the president (chief executive officer) in rank. It can also refer to executive vice presidents, signifying that the vice president is on t ...

of the Austrian Academy of Sciences. Hans Molisch expanded on

Julius von Sachs Julius von Sachs (; 2 October 1832 – 29 May 1897) was a German botanist from Breslau, Prussian Silesia. He is considered the founder of experimental plant physiology and co-founder of modern water culture. Julius von Sachs and Wilhelm Knop a ...

's work by developing ´starch pictures´ in intact leaves by using actual photographic negatives as masks over the illuminated leaves.Discoveries in Photosynthesis
edited by Govindjee, J.T. Beatty, H. Gest, J.F. Allen In his function as rector of the University of Vienna in 1926/27, Molisch was responsible for a wave of radicalization among the anti-Semitic and German-national students. The escalating violence against politically dissenters in general and Jewish students in particular was promoted by Molisch and demonstrated by appropriate leniency in punishing the perpetrators. At the university he was considered an open sponsor of the "swastika people".

Literary works

* ''Die Pflanzen in ihren Beziehungen zum Eisen'', 1892 * ''Leuchtende Pflanzen'', 1904 * ''Die Purpurbakterien'', 1907 * ''Die Eisenbakterien'', 1910 * ''Mikrochemie der Pflanzen'', 1913 * ''Pflanzenphysiologie'', 1920 * ''Pflanzenphysiologie in Japan'', 1926 * ''Im Lande der aufgehenden Sonne'', 1927

References

External links

* 1856 births 1937 deaths Scientists from Brno People from the Margraviate of Moravia 19th-century Austrian botanists Tohoku University faculty Austrian people of Moravian-German descent Academics of the University of Vienna Members of the Prussian Academy of Sciences Members of the Austrian Academy of Sciences 20th-century Austrian botanists {{Austria-botanist-stub