Johann Caspar Posner

Johann Caspar Posner also Possner, Possner (born December 31, 1670 in Jena ; † October 23, 1718 ibid) was a German physicist and rhetorician.

Life

Johann Caspar was the son of the Jena physics professor Caspar Posner and his second wife Katharina Dorothea Zopf. He had initially received private lessons and in 1684 moved to the Rutheneum high school in Gera . The rector Johann Friedrich Köber (born December 14, 1634 in Gera; † January 9, 1696 ibid.), The vice-principal Johann Wendler (died July 19, 1649 in Moderwitz; † May 21, 1694 in Gera) and Johann Hiezschold were here his teachers. From September 18, 1689 he studied at the University of Jena a . a. with Johann Franz Buddeus , Johann Andreas Schmidt , Georg Albrecht Hamberger (1662–1716), Günther Christoph Schelhammer , Georg Schubart , Johann Andreas Danz , Friedemann Bechmann and Johann Wilhelm Baier .

In 1695 he acquired the academic degree of a master's degree in philosophical sciences and then took part in the lectures at the Jena Salana. In 1699 he was accepted as an adjunct in the philosophical faculty. After the death of his father on May 29, 1700 he took over his professorship in physics. On May 9, 1705 he switched to the professorship of rhetoric. In addition, he also participated in the organizational tasks of the Jena University. He was dean of the philosophical faculty several times and rector of the alma mater in the summer semesters of 1710 and 1718 .

Posner had married Christina Sibylla Backhaus (Backhus), daughter of Lic. Jur Hieronymus Backhaus († June 12, 1711) and his wife Anna Sibylla Breithaupt. The children of this marriage are known to include the daughters Christina Dorothea Posner, Johanna Friederica Posner, Susanna Catharina Posner and the son Christian Franz Posner († February 14, 1776 in Jena), who became a notary and ducal Saxon-Weimar legal counsel in Jena.

Works (selection)

Fasciculus dissertationum philologicarum et philosophicarum de chao mundi orgine. Jena 1698
Exercitatio de Ecstasi. Jena 1699
Prolusio de phoenice. Jena 1700
Dialogi germanici de fulmine Camburgensi. 1701 (under the name Jani Cassii Posneri)
Pericula juvenilia de ecstast. Jena 1702
Oratio de emendationis Scripturarum a Luthero susceptae dignitate. Jena 1717
Eloquentia academica. Jena 1718
De Styli latini cultura commentatio. Jena 1731 (published by Johann Adam Löwe, online , with vita)

literature

Johann Caspar Zeumer, Christoph Weissenborn: Vitae Professorum Theologiae, Jurisprudentiae, Medicinae et Philosophiae qui in illustri Academia Jenensi, ab ipsius fundatione ad nostra usque tempora vixerunt et adhuc vivunt una cum scriptis a quolibet editis quatuor classibus. Johann Felici Bieleck, Jena, 1711, p. 205 (Philos.)
Posner (Caspar). In: Johann Heinrich Zedler : Large complete universal lexicon of all sciences and arts . Volume 28, Leipzig 1741, column 1739.
Christian Gottlieb Jöcher : General Scholar Lexicon, Darinne the scholars of all classes, both male and female, who lived from the beginning of the world to the present day, and made themselves known to the learned world, After their birth, life, remarkable stories, Withdrawals and writings from the most credible scribes are described in alphabetical order. Verlag Johann Friedrich Gleditsch , Leipzig, 1751, Vol. 3, Sp. 1720
Johann Gottlob Wilhelm Dunkel: Historical news of deceased scholars and their writings, but especially those which in the very latest edition of the Jöcherische Allgemeine Scholars-Lexicon either completely passed over with silence, or are inadequately and incorrectly cited. Cörnerische Buchhandlung, Dessau and Köthen, 1755, 2nd volume, p. 163 ( online )
Johann Christoph Adelung , Heinrich Wilhelm Rotermund: Continuation and additions to Christian Gottlieb Jöcher's general scholarly lexico, in which writers of all classes are described according to their most distinguished living conditions and writings. Johann Georg Heyse, Bremen, 1819, Vol. 6, 705
Johann Christian Poggendorff : Biographical-literary concise dictionary for the history of the exact sciences. Johann Ambrosius Barth, Leipzig, 1863, 2nd vol., P. 507 ( online )

Individual evidence

↑ some also write January 1683, 1681, but Leo gives as the date of birth "Natus est Ienae 1671 pridie ianuarii" (freely translated: the day before January 1671)
↑ According to others October 16, 1718, Löwe gives on October 23, which also relates to Johann Christian Jacob Spangenberg: Handbook of the scholars, artists, students and other notable people who have passed away in Jena for almost five hundred years, partly from church registers, partly from others Auxiliary source drawn and arranged according to the year 1819. August Schmid, Jena, 1819, p. 182 and Reinold Jauernig, Marga Steiger: The register of the University of Jena. Hermann Böhlaus, Weimar, 1977, vol. 2, p. 602

personal data
SURNAME	Posner, Johann Caspar
ALTERNATIVE NAMES	Possner, Possner
BRIEF DESCRIPTION	German physicist and rhetorician
DATE OF BIRTH	December 31, 1670
PLACE OF BIRTH	Jena
DATE OF DEATH	October 23, 1718
Place of death	Jena

[1] some also write January 1683, 1681, but Leo gives as the date of birth "Natus est Ienae 1671 pridie ianuarii" (freely translated: the day before January 1671)

[2] According to others October 16, 1718, Löwe gives on October 23, which also relates to Johann Christian Jacob Spangenberg: Handbook of the scholars, artists, students and other notable people who have passed away in Jena for almost five hundred years, partly from church registers, partly from others Auxiliary source drawn and arranged according to the year 1819. August Schmid, Jena, 1819, p. 182 and Reinold Jauernig, Marga Steiger: The register of the University of Jena. Hermann Böhlaus, Weimar, 1977, vol. 2, p. 602