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Leonard Nelson

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Not to be confused with Lennart Nilsson.
Leonard Nelson
Nelson in 1922
Born11 July 1882
Berlin, Brandenburg, Prussia, German Empire
Died29 October 1927 (aged 45)
Göttingen, Weimar Republic
NationalityGerman
EducationFranzösisches Gymnasium Berlin
Heidelberg University
Humboldt University of Berlin
University of Göttingen (PhD, 1904; Dr. phil. hab., 1909)
Spouse
Elisabeth Schemmann[1]
​
​
(m. 1907; div. 1912)​
PartnerMinna Specht (since 1915)
Era20th-century philosophy
RegionWestern philosophy
SchoolNeo-Friesian
InstitutionsUniversity of Göttingen
ThesisJakob Friedrich Fries und seine jüngsten Kritiker (1904)
Doctoral advisorJulius Baumann
Notable studentsPaul Bernays, Gustav Heckmann, Gerhard Weisser, Fritz Eberhard, Alfred Kubel, Willi Eichler
Main interests
Critical philosophy, philosophy of science, logic
Notable ideas
Grelling–Nelson paradox, revival of the Socratic method

Leonard Nelson (/ˈlɛnərd ˈnɛlsən/; German: [ˈnɛlzɔn]; 11 July 1882 – 29 October 1927), sometimes spelt Leonhard, was a German mathematician, critical philosopher, and socialist. He was part of the neo-Friesian school (named after post-Kantian philosopher Jakob Friedrich Fries) of neo-Kantianism and a friend of the mathematician David Hilbert. He devised the Grelling–Nelson paradox in 1908 and the related idea of autological words with Kurt Grelling.[2]

Neo-Friesian subsequently became an influencer in fields of both philosophy and mathematics, as Nelson's close contacts with scientists and mathematicians influenced their ideas. Despite dying earlier than many of his friends and assistants, his ISK organization lived on after his death, even after being banned by the Nazi Regime in 1933. It is even claimed that Albert Einstein supported it.[3] He's also credited with popularizing the Socratic method in his book Die sokratische Methode (The Socratic Method).[4]

Life

Early life and education

In Nelson's early years, he studied in Französisches Gymnasium Berlin where mathematics and science weren't notable in that school. He was therefore privately tutored by mathematician Gerhard Hessenberg (1874–1925), and began reading the works of philosophers Immanuel Kant, Jakob Friedrich Fries, and Ernst Friedrich Apelts, which began to spark his interest in philosophy.

In 1901, Nelson studied mathematics and philosophy in Heidelberg University for a short period of time, before going to the Humboldt University of Berlin from March 1901 – 1903. From 1903 to 1904, he worked with mathematicians and philosophers in the University of Göttingen, such as; his doctoral advisor Julius Baumann, David Hilbert, Felix Klein, Carl Runge, and his later rival Edmund Husserl.

Critical philosophy

Nelson's work as a philosopher was most concerned with critical philosophy, attributed to Kant. It sets out to find a "critique" on science and metaphysics, similar to empiricism,[5] as things can only be true based on the perceptions and limitations on human minds. Kant's 1781 book Critique of Pure Reason (Kritik der reinen Vernunft) inspired Nelson to go down the path of critical philosophy, and later followed the works of post-Kantian philosopher Fries who had also followed Kant's work.[6]

Although his 1904 dissertation Jakob Fries and his Youngest Critics (Jakob Friedrich Fries und seine jüngsten Kritiker) was successful, he had trouble in his early academic years. One such failed dissertation was his Die kritische Methode und das Verhältnis der Psychologie zur Philosophie (The Critical Method and the Relationship of Psychology to Philosophy). Nelson continued defending Fries' philosophy and ideas by publishing a neue Folge (new series) of Abhandlungen der Fries'schen Schule (1904) with Gerhard Hessenberg and mathematician Karl Kaiser. It was here that Nelson and these same friends created the Jakob-Friedrich-Fries-Gesellschaft (Jakob Friedrich Fries Society) to promote critical philosophy.[6]

In 1922, Nelson founded the Philosophisch-Politische Akademie (Philosophical-Political Academy or PPA) as a "Platonic Academy" and non-profit association, which was abandoned soon after the Nazis banned it, but re-established in 1949. It still stands today for political discussions between philosophers and politicians,[7] and was supported financially by the Gesellschaft der Freunde der Philosophisch-Politischen Akademie (Society of Friends of the Philosophical-Political Academy or GFA).[8] They started working with an education center called Landerziehungsheim Walkemühle, founded in 1921 by a support of Nelson, progressive teacher Ludwig Wunder (1878–1949). Although Wunder left it shortly after in 1924, educator and co-worker of Nelson, Minna Specht, took over,[9] with the help of journalist and author Mary Saran.

Animal rights

Nelson was an early advocate of animal rights and a vegetarian.[10][11] His lecture "Duties to Animals" was published posthumously in Germany in 1932 and included in his book A System of Ethics (translated in 1956) and reprinted in the book Animals, Men and Morals in 1972.[12]

Career

Ready to form new ideas, Nelson founded the Neo-Friesian School in 1903, with some well-known members, such as:

Other notable people, such as philosopher Kurt Grelling and mathematician Richard Courant (student of Hilbert), joined after its foundation. A larger list of ISK members and similar can be seen in the list of Germans who resisted Nazism. In 1909 he habilitated at the University of Göttingen and became Privatdozent there. He later worked there as a professor from June 1919 until his death on 29 October 1927.[6][13][14]

Internationaler Sozialistischer Kampfbund (ISK)

The Internationaler Jugendbund (International Youth Federation or IJB) was founded in 1917 by Nelson and Minna Specht. In 1918, Nelson became a brief member of the Independent Social Democratic Party (USPD) before becoming a member of the Social Democratic Party (SPD) from 1923–1925, when he was ultimately excluded. As a result, together with Minna Specht, he founded the Internationaler Sozialistischer Kampfbund (ISK; "International Socialist Militant League") in 1925, merging it with the IJB by taking over its publishing label, Öffentliches Leben.[13]

The socialist journalist Willi Eichler succeeded Nelson as president of the ISK after his death. Eichler and Specht would both sign the 1932 "Urgent Call for Unity" (Dringender Appell für die Einheit) in the ISK's official newspaper, Der Funke. It called for Germany's Social Democratic Party (SPD) and Communist Party (KPD) to create a left-wing united front in order to thwart the Nazis.[15] After the Nazi's defeat in 1945, the ISK was merged with the SPD with the agreement met on 10 December 1945, between the chairman of the ISK (Will Eichler) and chairman of the SPD (Kurt Schumacher). However, the ISK continued to be active in the resistance against Nazism. A British affiliate of the ISK was created (lasted from the 1920s to the 1950s) in the United Kingdom called the Socialist Vanguard Group.

Among Leonard Nelson's students and political companions in the International Socialist Kampfbund were:[16]

Personal life

See also: Mendelssohn family

Leonard Nelson was the son of lawyer Heinrich Nelson (1854–1929) and artist Elisabeth Lejeune Dirichlet (1860–1920),[17] granddaughter of mathematician Peter Gustav Lejeune Dirichlet and descendant of Jewish philosopher Moses Mendelssohn. Nelson married his wife, Elisabeth Schemmann (1884–1954), in 1907, but divorced in 1912 after she baptised their son Gerhard David Wilhelm Nelson (1909–1944) in the Lutheran Church.[18] Nelson's wife is notable for marrying Paul Hensel in 1917.[19] His granddaughter, Maria Nelson, and Maria's daughter, Rachel Urban, both visited his grave in the summer of 1997.[20]

Although Nelson was baptised as a Protestant at the age of five on 13 June 1887,[21] his refusal to baptise his son and divorce was a big change based on his Jewish ancestry. He even resigned from the Evangelical Church in 1919.[22]

Death

He was an insomniac and died at a young age from pneumonia, and was buried at a Jewish cemetery in Melsungen alongside his father Heinrich.[20] Nelson's ideas continued to have an impact upon German socialism and communism in Nazi Germany as the ISK's members became active in the left-wing resistance to Nazism.

Bibliography

Nelson published numerous books and papers, often with the help of other philosophers and mathematicians. He was later critical of Georg Wilhelm Friedrich Hegel in his work Progress and Regress in Philosophy (Fortschritte und Rückschritte der Philosophie). He is also known for defending the idea of animal rights in his work System of Philosophical Ethics and Pedagogy (System der philosophischen Ethik und Pädagogik) published in 1932, with the help of his assistant Grete Hermann (also part of the ISK) and Minna Specht.[23]

Some of his works are already mentioned above, but some others, available in the Internet Archive (and other websites, if not available there), include:

  • 1908 – Ist metaphysikfreie Naturwissenschaft möglich? Sonderdruck aus den Abhandlungen der Fries’schen Schule, II. Bd., 3. Heft. Vandenhoeck & Ruprecht, Göttingen 1908 Internet Archive
  • 1908 – Über das sogenannte Erkenntnisproblem. Vandenhoeck & Ruprecht, Göttingen 1908 Internet Archive
  • 1908 – Über wissenschaftliche und ästhetische Naturbetrachtung. Vandenhoeck & Ruprecht, Göttingen 1908 Internet Archive
  • 1915 – Ethische Methodenlehre, by Veit & Comp., Leipzig 1915 Internet Archive
  • 1917 – Vorlesungen über die Grundlagen der Ethik. Veit & Comp., Leipzig
  • 1917 – Die Rechtswissenschaft ohne Recht: kritische Betrachtungen über die Grundlagen des Staats- und Völkerrechts insbesondere über die Lehre von der Souveränität. Veit & Comp, Leipzig 1917 Internet Archive
  • 1919 – Demokratie und Führerschaft, Public life, Berlin 1932. Internet Archive
  • 1920 – System der philosophischen Rechtslehre. Verlag der Neue Geist / Reinhold, Leipzig 1920 Internet Archive
  • 1922 – Die Reformation der Gesinnung: durch Erziehung zum Selbstvertrauen. The New Publishes, Leipzig 1922 Internet Archive
  • 1922 – Die sokratische Methode, Lecture, held on December 11, 1922 in the Pedagogical Society in Göttingen. In: Treatises of the Friesian school. New episode. edited by Otto Meyerhof, Franz Oppenheimer, Minna Specht. 5th volume, Göttingen 1929, pp. 21–78. Internet Archive
  • 2011 – Typische Denkfehler in der Philosophie. Felix Meiner Verlag. April 2011. ISBN 978-3787321490., a series of lectures, delivered from April to July 1921 that was omitted from his collected works. English translation A Theory of Philosophical Fallacies. Translated by Leal, Fernando; Carus, David. Springer. 2016. ISBN 978-3-319-20782-7.

Gesammelte Schriften in neun Bänden

English translation: "Collected Writings in Nine Volumes". It was published by Paul Bernays and Felix Meiner Verlag (a German scientific publishing house in philosophy), in Hamburg 1970-1977;[24]

  • Volume I: Die Schule der kritischen Philosophie und ihre Methode
  • Volume II: Geschichte und Kritik der Erkenntnistheorie
  • Volume III: Die kritische Methode in ihrer Bedeutung für die Wissenschaft
  • Volume IV: Kritik der praktischen Vernunft
  • Volume V: System der philosophischen Ethik und Pädagogik
  • Volume VI: System der philosophischen Rechtslehre und Politik
  • Volume VII: Fortschritte und Rückschritte der Philosophie von Hume und Kant bis Hegel und Fries
  • Volume VIII: Sittlichkeit und Bildung
  • Volume IX: Recht und Staat

Published works

  • Ethische Methodenlehre. by Veit & Comp., Leipzig 1915
  • Die Rechtswissenschaft ohne Recht. von Veit & Comp., Leipzig 1917.
  • Die sokratische Methode. Vortrag, gehalten am 11. Dezember 1922 in der Pädagogischen Gesellschaft in Göttingen. In: Abhandlungen der Fries’schen Schule. Neue Folge.Hrsg. v. Otto Meyerhof, Franz Oppenheimer, Minna Specht. 5. Band, H. 1. Öffentliches Leben, Göttingen 1929, S. 21–78.
  • Demokratie und Führerschaft. Öffentliches Leben, Berlin 1932.
  • Ausgewählte Schriften. Studienausgabe. Hrsg. und eingeleitet von Heinz-Joachim Heydorn. Europäische Verlagsanstalt, Frankfurt 1974.
  • Vom Selbstvertrauen der Vernunft: Schriften zur krit. Philosophie und ihrer Ethik. Hrsg. von Grete Henry-Hermann (Philosophische Bibliothek. Band 288). Meiner, Hamburg 1975.

References

  1. ^ Biographie, Deutsche. "Nelson, Leonard - Deutsche Biographie". www.deutsche-biographie.de (in German). Retrieved 2019-08-29.
  2. ^ Grelling, K.; Nelson, L. (1908). "Bemerkungen zu den Paradoxien von Russell und Burali-Forti". Abhandlungen der Fries'schen Schule II. Göttingen. pp. 301–334.{{cite book}}: CS1 maint: location missing publisher (link) Also in: Nelson, Leonard (1974). Gesammelte Schriften III. Die kritische Methode in ihrer Bedeutung für die Wissenschaften. Hamburg: Felix Meiner Verlag. pp. 95–127. ISBN 3787302220.
  3. ^ "Fate and work of a Jewish psychiatrist and psychotherapist". www.sgipt.org. Retrieved 2019-08-30.
  4. ^ Nelson, Leonard (1931). Die sokratische Methode (PDF). Göttingen.{{cite book}}: CS1 maint: location missing publisher (link)
  5. ^ "IV SECOND ATTITUDE OF THOUGHT TO OBJECTIVITY". www.marxists.org. Retrieved 2019-09-01.
  6. ^ a b c "Nelson, Leonard (1882–1927) | Encyclopedia.com". www.encyclopedia.com. Retrieved 2019-08-30.
  7. ^ "Philosophisch-Politische Akademie (PPA)". www.philosophisch-politische-akademie.de. Retrieved 2019-09-01.
  8. ^ Exile and Gender II: Politics, Education and the Arts. BRILL. 2017-05-30. ISBN 9789004343528.
  9. ^ "Philosophisch-Politische Akademie (PPA)". www.philosophisch-politische-akademie.de. Retrieved 2019-09-01.
  10. ^ Milkov, Nikolay; Peckhaus, Volker. (2013). The Berlin Group and the Philosophy of Logical Empiricism. pp. 13-14. ISBN 9789400754850
  11. ^ "Leonard Nelson (1882-1927)". Friesian.com. Retrieved 12 December 2021.
  12. ^ Lengauer, Erwin (2020). "Tom Regan's Philosophy of Animal Rights: Subjects-of-a-Life in the Context of Discussions of Intrinsic and Inherent Worth". Problemos. 97: 87–98. doi:10.15388/Problemos.97.7. S2CID 219087415.
  13. ^ a b Biographie, Deutsche. "Nelson, Leonard - Deutsche Biographie". www.deutsche-biographie.de (in German). Retrieved 2019-08-30.
  14. ^ "tier-im-fokus.ch » Leonard Nelson, vergessener Tierrechtler". www.tier-im-fokus.ch. Retrieved 2019-08-30.
  15. ^ "Dringender Appell für die Einheit" (PDF) Der Funke, No. 147 A, Berlin (June 25, 1932). Retrieved July 6, 2010 (in German)
  16. ^ Horster, Detlef (1994). The Socratic Conversation in theory and practice. Opladen: Leske + Budrich. p. 30.
  17. ^ "Leonard Nelson, Prof. Dr". geni_family_tree. Retrieved 2019-08-30.
  18. ^ "Leonard Nelson 1882–1927 – Stammbaum Moses Mendelssohn". www.epischel.de. Retrieved 2019-08-30.
  19. ^ Franke, Holger (1991). Leonard Nelson. Ammersbek near Hamburg: Verlag an der Lottbek. p. 93.
  20. ^ a b "Ereignisse – wiki.landerziehungsheim-walkemuehle.de". www.landerziehungsheim-walkemuehle.de. Retrieved 2019-09-01.
  21. ^ Franke, S. 53.
  22. ^ Franke S. 153, F. 868.
  23. ^ Nelson, Leonard, System of Ethics, Yale University Press, New Haven, 1956, p. 142.
  24. ^ ""Leonard Nelson, Gesammelte Schriften in neun Bänden" – Bücher gebraucht, antiquarisch & neu kaufen". www.booklooker.de (in German). Retrieved 2019-09-01.
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