Hans Molisch (6 December 1856,

Brünn Brno ( , ; ) 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 403,000 inhabitants, making ...

, Habsburg Moravia - 8 December 1937,

Wien Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

) was a

Czech Czech may refer to: * Anything from or related to the Czech Republic, a country in Europe ** Czech language ** Czechs, the people of the area ** Czech culture ** Czech cuisine * One of three mythical brothers, Lech, Czech, and Rus *Czech (surnam ...

- Austrian

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

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 A carbohydrate () is a biomolecule composed of carbon (C), hydrogen (H), and oxygen (O) atoms. The typical hydrogen-to-oxygen atomic ratio is 2:1, analogous to that of water, and is represented by the empirical formula (where ''m'' and ''n'' ...

s. He taught as a

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

at the German University of Prague (1894-),

Vienna University The University of Vienna (, ) is a public university, public research university in Vienna, Austria. Founded by Rudolf IV, Duke of Austria, Duke Rudolph IV in 1365, it is the oldest university in the German-speaking world and among the largest ...

(1909-1928), Tohoku Imperial University (now

Tohoku University is a public research university in Sendai, Miyagi, Japan. It is colloquially referred to as or . Established in 1907 as the third of the Imperial Universities, after the University of Tokyo and Kyoto University, it initially focused on sc ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

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

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

;1928- From 1931 to 1937 he acted as the

vice-president A vice president or 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 vi ...

of the

Austrian Academy of Sciences The Austrian Academy of Sciences (; ÖAW) is a legal entity under the special protection of the Republic of Austria. According to the statutes of the Academy its mission is to promote the sciences and humanities in every respect and in every fi ...

. 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 Academic staff of Tohoku University Austrian people of Moravian-German descent Academic staff of the University of Vienna Members of the Prussian Academy of Sciences Members of the Austrian Academy of Sciences 20th-century Austrian botanists Botanists from Austria-Hungary {{Austria-botanist-stub