Ernst Friedrich Apelt (3 March 1812 in Reichenau,

Saxony Saxony (german: Sachsen ; Upper Saxon: ''Saggsn''; hsb, Sakska), officially the Free State of Saxony (german: Freistaat Sachsen, links=no ; Upper Saxon: ''Freischdaad Saggsn''; hsb, Swobodny stat Sakska, links=no), is a landlocked state of ...

– 27 October 1859 in Oppelsdorf,

Upper Lusatia Upper Lusatia (german: Oberlausitz ; hsb, Hornja Łužica ; dsb, Górna Łužyca; szl, Gōrnŏ Łużyca; pl, Łużyce Górne or ''Milsko''; cz, Horní Lužice) is a historical region in Germany and Poland. Along with Lower Lusatia to the ...

) was a German philosopher and entrepreneur. He was a student of

Jakob Friedrich Fries Jakob Friedrich Fries (; 23 August 1773 – 10 August 1843) was a German post-KantianTerry Pinkard, ''German Philosophy 1760-1860: The Legacy of Idealism'', Cambridge University Press, 2002, pp. 199–212. philosopher and mathematician. Biograp ...

, succeeding him at the

University of Jena The University of Jena, officially the Friedrich Schiller University Jena (german: Friedrich-Schiller-Universität Jena, abbreviated FSU, shortened form ''Uni Jena''), is a public research university located in Jena, Thuringia, Germany. The un ...

. He was the principal contributor to the ''Abhandlungen der Fries'sche Schule'', which he founded with

Matthias Jakob Schleiden Matthias Jakob Schleiden (; 5 April 1804 – 23 June 1881) was a German botanist and co-founder of cell theory, along with Theodor Schwann and Rudolf Virchow. Career Matthias Jakob Schleiden was born in Hamburg. on 5 April 1804. His father was ...

. He was also one of the early scholars of the life and work of

Johannes Kepler Johannes Kepler (; ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws ...

, a precursor of

Alexandre Koyré Alexandre Koyré (, ; born Alexandr Vladimirovich (or Volfovich) Koyra (russian: Александр Владимирович (Вольфович) Койра); 29 August 1892 – 28 April 1964), also anglicized as Alexander Koyre, was a Fren ...

.His son Otto Friedrich Apelt made important contributions to the debate on the nature of the categories of Aristotle.Venanzio Raspa, ''Otto Apelt: La dottrina delle categorie di Aristotle,''Quodlibet 2020 pp.74-81.

Works

*''Metaphysik'' (1857)

Notes

References

*Nick Jardine, "Koyré's Kepler/Kepler's Koyré", ''History of Science'', Vol. 38 (2000), pp. 363–376 1812 births 1859 deaths People from Bogatynia People from the Kingdom of Saxony Historians of science German male writers {{germany-philosopher-stub