Paul Hugo Wilhelm Hensel (HeidICON 28823) (cropped)

Paul Hugo Wilhelm Hensel (17 May 1860, Groß-Barthen near

Königsberg Königsberg (, ) was the historic Prussian city that is now Kaliningrad, Russia. Königsberg was founded in 1255 on the site of the ancient Old Prussian settlement ''Twangste'' by the Teutonic Knights during the Northern Crusades, and was named ...

– 11 November 1930,

Erlangen Erlangen (; East Franconian German, East Franconian: ''Erlang'', Bavarian language, Bavarian: ''Erlanga'') is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative d ...

) was a German

philosopher A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φιλόσοφος, , translit=philosophos, meaning 'lover of wisdom'. The coining of the term has been attributed to the Greek th ...

Biography

Hensel was born in Groß-Barten near

Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...

. He was the son of the landowner and entrepreneur Sebastian Hensel, brother of the mathematician

Kurt Hensel Kurt Wilhelm Sebastian Hensel (29 December 1861 – 1 June 1941) was a German mathematician born in Königsberg. Life and career Hensel was born in Königsberg, East Prussia (today Kaliningrad, Russia), the son of Julia (née von Adelson) and lan ...

, grandson of the composer

Fanny Mendelssohn Fanny Mendelssohn (14 November 1805 – 14 May 1847) was a German composer and pianist of the early Romantic era who was also known as Fanny (Cäcilie) Mendelssohn Bartholdy and, after her marriage, Fanny Hensel (as well as Fanny Mendelssohn He ...

and the painter

Wilhelm Hensel Wilhelm Hensel (6 July 1794 – 26 November 1861) was a German painter, brother of Luise Hensel, husband to Fanny Mendelssohn, and brother-in-law to Felix Mendelssohn. Life and career Wilhelm Hensel was born on 6 July 1794 in the German tow ...

. Fanny was the sister of

Felix Mendelssohn Bartholdy Jakob Ludwig Felix Mendelssohn Bartholdy (3 February 18094 November 1847), born and widely known as Felix Mendelssohn, was a German composer, pianist, organist and conductor of the early Romantic period. Mendelssohn's compositions include sy ...

, daughter of

Abraham Mendelssohn Bartholdy Abraham Ernst Mendelssohn Bartholdy (born Abraham Mendelssohn; 10 December 1776 – 19 November 1835) was a German banker and philanthropist. He was the father of Fanny Mendelssohn, Felix Mendelssohn, Rebecka Mendelssohn, and Paul Mendelssohn ...

, and granddaughter of philosopher

Moses Mendelssohn Moses Mendelssohn (6 September 1729 – 4 January 1786) was a German-Jewish philosopher and theologian. His writings and ideas on Jews and the Jewish religion and identity were a central element in the development of the ''Haskalah'', or 'Je ...

, and entrepreneur

Daniel Itzig Daniel Itzig (also known as Daniel Yoffe 18 March 1723 in Berlin – 17 May 1799 in Potsdam) was a Court Jew of Kings Frederick II the Great and Frederick William II of Prussia. Biography Itzig was born in Berlin. His family was mercantile. I ...

. Both of Hensel's paternal grandmothers and his mother were from Jewish families that had converted to Christianity. Hensel became a professor of philosophy at

Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...

and

, where he taught until 1928. At Erlangen, Hensel was the supervisor of Hans Reichenbach's

PhD dissertation A thesis ( : theses), or dissertation (abbreviated diss.), is a document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings.International Standard ISO 7144: ...

on the

theory of probability Probability theory is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expressing it through a set o ...

Works

* ''Über die Beziehung des reinen Ich bei Fichte zur Einheit der Apperception bei Kant'' 'On the relationship between Fichte's pure I and Kant's unity of apperception'' 1885 (

doctoral thesis A thesis ( : theses), or dissertation (abbreviated diss.), is a document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings.International Standard ISO 7144: ...

under

Alois Riehl Alois Adolf Riehl (; 27 April 1844 – 21 November 1924) was an Austrian neo-Kantian philosopher. He was born in Bozen (Bolzano) in the Austrian Empire (now in Italy). He was the brother of . Biography Riehl studied at Vienna, Munich, Innsbruck ...

)Availabl
online at archive.org
/ref> * ''Ethisches Wissen und ethisches Handeln'', 1889 * ''Hauptprobleme der Ethik'', 1903 * ''

Kleine Schriften ' is a German phrase ("short writings" or "minor works"; la, Opuscula) often used as a title for a collection of articles and essays written by a single scholar over the course of a career. "Collected Papers" is an English equivalent. These short ...

und Vorträge'', 1930

References

External links

* * *
Probleme/Projekte/Prozesse: Hochzeit im Hause Mendelssohn
at www.luise-berlin.de
AIM25: Thesaurus-assisted Personal Name search
at www.aim25.ac.uk 1860 births 1930 deaths 19th-century German people 20th-century German people 19th-century philosophers 20th-century German philosophers Hensel family German people of Jewish descent People from the Province of Prussia People from East Prussia People from Erlangen {{Germany-philosopher-stub