Otto Sackur (28 September 1880 in Breslau,

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

– 17 December 1914 in

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...

, Germany) was a

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

physical chemist. He is known for the development of the

Sackur–Tetrode equation The Sackur–Tetrode equation is an expression for the entropy of a monatomic ideal gas. It is named for Hugo Martin Tetrode (1895–1931) and Otto Sackur (1880–1914), who developed it independently as a solution of Boltzmann's gas statistics an ...

, which he developed independently of Hugo Tetrode. His and Tetrode's names are also combined to name the Sackur–Tetrode constant derived using the equation. Sackur studied at the

University of Breslau A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, th ...

, receiving his doctorate there in 1901. He then worked in London before joining the

Fritz Haber Institute The Fritz Haber Institute of the Max Planck Society (FHI) is a science research institute located at the heart of the academic district of Dahlem, in Berlin, Germany. The original Kaiser Wilhelm Institute for Physical Chemistry and Electrochem ...

in Berlin. He died in an explosion after mixing two chemicals. * 4. (a) Charles, Daniel. (2005). Master Mind - the Rise and Fall of Fritz Haber, the Nobel Laureate who Launched the Age of Chemical Warfare, (pg. 155). New York: Harper Collins Publishers.

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* 1880 births 1914 deaths Accidental deaths in Germany 20th-century German chemists Scientists from Wrocław People from the Province of Silesia {{Germany-chemist-stub