Ernst Carl Theodor Zincke (19 May 1843 – 17 March 1928) was a German

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe t ...

and the academic adviser of

Otto Hahn Otto Hahn (; 8 March 1879 – 28 July 1968) was a German chemist who was a pioneer in the fields of radioactivity and radiochemistry. He is referred to as the father of nuclear chemistry and father of nuclear fission. Hahn and Lise Meitner ...

Life

Theodor Zincke was born in

Uelzen Uelzen (; officially the ''Hanseatic Town of Uelzen'', German: ''Hansestadt Uelzen'', , Low German ''Ülz’n'') is a town in northeast Lower Saxony, Germany, and capital of the county of Uelzen. It is part of the Hamburg Metropolitan Region, a ...

on 19 May 1843. He became a pharmacist and graduated in

Göttingen Göttingen (, , ; nds, Chöttingen) is a university city in Lower Saxony, central Germany, the capital of the eponymous district. The River Leine runs through it. At the end of 2019, the population was 118,911. General information The ori ...

with his

Staatsexamen The ("state examination" or "exam by state"; pl.: ''Staatsexamina'') is a German government licensing examination that future physicians, dentists, teachers, pharmacists, food chemists, psychotherapists and jurists (i.e., lawyers, judges, publi ...

. He began studying chemistry with Friedrich Wöhler and received his

Ph.D A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...

in 1869. He joined the group of

August Kekulé Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz ( , ; 7 September 1829 – 13 July 1896), was a German organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially ...

at the

University of Bonn The Rhenish Friedrich Wilhelm University of Bonn (german: Rheinische Friedrich-Wilhelms-Universität Bonn) is a public research university located in Bonn, North Rhine-Westphalia, Germany. It was founded in its present form as the ( en, Rhine ...

, and in 1875 became professor at the

University of Marburg The Philipps University of Marburg (german: Philipps-Universität Marburg) was founded in 1527 by Philip I, Landgrave of Hesse, which makes it one of Germany's oldest universities and the oldest still operating Protestant university in the wor ...

where he remained until his retirement in 1913. He developed Zincke reaction, Zincke–Suhl reaction in 1906 (together with R. Suhl) and in 1900

Zincke nitration The Zincke nitration is a nitration reaction in which a bromine is replaced by a nitro group on an electron-rich aryl compound such as a phenol or cresol. Typical reagents are nitrous acid or sodium nitrite. The reaction is a manifestation of nucle ...

. Theodor Zincke died on 17 March 1928 in

Marburg Marburg ( or ) is a university town in the German federal state (''Bundesland'') of Hesse, capital of the Marburg-Biedenkopf district (''Landkreis''). The town area spreads along the valley of the river Lahn and has a population of approxima ...

References

* * {{DEFAULTSORT:Zincke, Theodor 1843 births 1928 deaths 20th-century German chemists University of Bonn faculty University of Marburg faculty 19th-century German chemists People from Uelzen