Olga Hahn-Neurath (; 20 July 1882 – 20 July 1937) was an

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

and philosopher. She is best known for being a member of the

Vienna Circle The Vienna Circle (german: Wiener Kreis) of Logical Empiricism was a group of elite philosophers and scientists drawn from the natural and social sciences, logic and mathematics who met regularly from 1924 to 1936 at the University of Vienna, ch ...

. She was sister of the mathematician Hans Hahn.

Biography

Born in

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

, Hahn enrolled as a student for math and philosophy studies at the

University of Vienna The University of Vienna (german: Universität Wien) is a public research university located in Vienna, Austria. It was founded by Duke Rudolph IV in 1365 and is the oldest university in the German-speaking world. With its long and rich hist ...

in 1902. She became blind in 1904, when she was 22. In 1911, she became the third ever female graduate in philosophy at Vienna University. Her doctoral thesis, published in 1911, received great compliments from her instructor, Adolf Stöhr, the successor to the chair of

Ludwig Boltzmann Ludwig Eduard Boltzmann (; 20 February 1844 – 5 September 1906) was an Austrian physicist and philosopher. His greatest achievements were the development of statistical mechanics, and the statistical explanation of the second law of ther ...

. Her main interest in math was in the field of

Boolean algebra In mathematics and mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the variables are the truth values ''true'' and ''false'', usually denoted 1 and 0, whereas i ...

. In 1912 she married

Otto Neurath Otto Karl Wilhelm Neurath (; 10 December 1882 – 22 December 1945) was an Austrian-born philosopher of science, sociologist, and political economist. He was also the inventor of the ISOTYPE method of pictorial statistics and an innovator in mu ...

whom she met during her studies. Olga became a regular participant in the Vienna Circle discussions. Following the defeat of

Red Vienna Red Vienna ( German: ''Rotes Wien'') was the colloquial name for the capital of Austria between 1918 and 1934, when the Social Democratic Workers' Party of Austria (SDAP) maintained almost unilateral political control over Vienna and, for a sho ...

in the Austrian Civil War (February 1934), she fled, through

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

and

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

to the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

, where she joined her husband. She died on her birthday three years later in

The Hague The Hague ( ; nl, Den Haag or ) is a city and municipality of the Netherlands, situated on the west coast facing the North Sea. The Hague is the country's administrative centre and its seat of government, and while the official capital o ...

, of a lung infection following an operation.

References

External links

* Short

br>Biography
(German) Austrian women philosophers Vienna Circle Blind scholars and academics Austrian Jews Jewish philosophers 1882 births 1937 deaths 20th-century Austrian philosophers Women logicians Austrian blind people {{Austria-hist-stub