Jens Kraft

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Janus or Jens Kraft (also Krafft ) (born October 1720 in Frederikshall , Norway; † March 18, 1765 in Sorø , Denmark) was a Danish philosopher.

Life

His father was Anders Kraft (captain of the Norwegian infantry) and his mother Severina Ehrensfryd Scholt. After the early death of his parents, he was orphaned at the age of five and grew up with his uncle in Thy on Jutland .

In 1739 he began his studies in Copenhagen and also attended Christian Wolff's lectures in Halle. After obtaining his master's degree in 1742, he undertook a long trip abroad. In 1746 he became professor of mathematics and philosophy at Sorø Akademi . From 1751 to 1753 he published a number of books on logic, ontology , cosmology , psychology and natural theology, in which he presented a philosophical system based on Wolff.

He was married twice

  1. with Bodil Cathrine Evertsen, a daughter of the procurator Tilleman Evertsen from Copenhagen
  2. with Sophie Magdalena Langhorn, a daughter of a first lieutenant and commandant from Rosenborg

Works (selection)

  • Theoria generalis succincta construendi æquationes analyticas: diss. in audit Coll. Med. Copenhagen 1742, OCLC 783300361 .
  • Logic or den Lidenskab at tænke: skrevet til Sorøe Ridder-Academies Nytte . Waeysenhuses Bogtrykkerie, Copenhagen 1751, OCLC 463203068 (Danish, reader.digitale-sammlungen.de ).
  • Jens Kraft's mechanics . Waltherische Hofbuchhandlung, Dresden 1787 ( books.google.de - translated from the Latin translation by Prof. Tetens into German, with additional additions, and occasionally improved by Johann Christian August Steingrüber).

literature

  • Force (Janus) . In: Forsög til et Lexicon over danske, norske og islandske lärde Mänd (etc.) . Kongelig priv. Bogtrvkkerie, 1771, p. 540-541 ( books.google.de ).

Individual evidence

  1. ^ OLB Wolff: Kraft, Janus. In: New, elegant conversation lexicon for educated people from all walks of life. Volume 2, p. 404 ( books.google.de ).
  2. ↑ Kraft, Jens . In: Christian Blangstrup (Ed.): Salmonsens Konversationsleksikon . 2nd Edition. tape 14 : Kirkeskov – Kvadratrix . JH Schultz Forlag, Copenhagen 1923, p. 582 (Danish, runeberg.org ).
personal data
SURNAME Kraft, Jens
ALTERNATIVE NAMES Krafft, Jens; Krafft, Janus; Kraft, Janus
BRIEF DESCRIPTION Danish philosopher
DATE OF BIRTH October 1720
PLACE OF BIRTH Halden (Norway)
DATE OF DEATH March 18, 1765
Place of death Soro