Sigmund Fraenkel or Sigmund Fränkel (May 22, 1868 – June 7, 1939) was a chemist who lived and worked in

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 ...

, and is notable for being the head of the ''Ludwig-Spiegler-Stiftung'' in Vienna from 1904 and his work in the field of

Physiological chemistry Biochemistry, or biological chemistry, is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, a ...

, notably on the chemistry of the

thyroid The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is a butterfly-shaped gland located in the neck below the Adam's apple. It consists of two connected lobes. The lower two thirds of the lobes are connected by ...

gland. Fraenkel was born on 22 May 1868 in

Krakau Krakau is a municipality in the district of Murau (district), Murau in Styria, Austria. It was created on 1 January 2015 when the municipalities of Krakaudorf, Krakauhintermühlen and Krakauschatten were merged.http://www.ris.bka.gv.at/Dokumente/L ...

, which was then part of the

Austro-Hungarian Empire Austria-Hungary, also referred to as the Austro-Hungarian Empire, the Dual Monarchy or the Habsburg Monarchy, was a multi-national constitutional monarchy in Central Europe between 1867 and 1918. A military and diplomatic alliance, it consist ...

, which later became part of Poland. He studied at the

University of Vienna 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 ...

under Ernst Ludwig (1842–1915) and

Ernst Wilhelm von Brücke Ernst Wilhelm von Brücke (; 6 July 1819 – 7 January 1892) was a German physician and physiologist. He worked on the nature of cells, physiology of language, the effect of electricity on muscles, and studies of albumin. He also made significa ...

, in

Prague Prague ( ; ) is the capital and List of cities and towns in the Czech Republic, largest city of the Czech Republic and the historical capital of Bohemia. Prague, located on the Vltava River, has a population of about 1.4 million, while its P ...

under Karl Hugo Huppert (1832–1904) and in

Freiburg im Breisgau Freiburg im Breisgau or simply Freiburg is the List of cities in Baden-Württemberg by population, fourth-largest city of the German state of Baden-Württemberg after Stuttgart, Mannheim and Karlsruhe. Its built-up area has a population of abou ...

. In 1892 he obtained his doctorate in medicine in Vienna, and in 1896 he was Private Tutor in

Medicinal chemistry Medicinal or pharmaceutical chemistry is a scientific discipline at the intersection of chemistry and pharmacy involved with drug design, designing and developing pharmaceutical medication, drugs. Medicinal chemistry involves the identification, ...

. He died on 7 June 1939, in

Geneva Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...

Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...

Works

* ''Die Arzneimittel-Synthese auf Grundlage der Beziehungen zwischen chemischen Aufbau und Wirkung : für Ärzte, Chemiker und Pharmazeuten'' . Springer, Berlin 3rd ed. 191
Digital edition
by the

University and State Library Düsseldorf The University and State Library Düsseldorf (, abbreviated ULB Düsseldorf) is a central service institution of Heinrich Heine University. Along with Bonn and Münster, it is also one of the three State Libraries of North Rhine-Westphalia. ...

References

Publications

''Über neue Cholesterin-Derivate'' – Sigmund Fränkel & Paul Dombacher (May 1927)
Austrian chemists Austrian biochemists University of Vienna alumni 1868 births 1939 deaths Scientists from Kraków Chemists from Austria-Hungary {{Austria-scientist-stub