Friedrich Leibniz


Friedrich Leibniz was a Lutheran lawyer and a notary, registrar and professor of moral philosophy within Leipzig University, where he also served as Dean of Philosophy. He was the father of Gottfried Leibniz.

Biography

Leibniz was born in Altenberg, Saxony, the son of Ambrosious Leibniz, a civil servant, and a Leipzig noblewoman named Anna Deuerlin.
He completed his master's degree at the University of Leipzig during 1622 and became an actuary in administration at the university. His first marriage in 1625 produced a son, Johann Friedrich, and a daughter, Anna Rosina. He was elected to the chair in moral philosophy at Leipzig in 1640. A childless marriage to a second wife ended with her death 1643. A subsequent 1644 marriage to Catharina Schmuck, a daughter of a well known lawyer produced a son, the polymath Gottfried Wilhelm Leibniz.
During 1646 Leibniz was vice chairman of the faculty of philosophy and also was Professor of Moral Philosophy at the University of Leipzig, in addition to employment as actuary. He possessed a collection of books of ancient source. He died in Leipzig.
Eric John Aiton considers Friedrich Leibniz
On the other hand, in an address he delivered in 1646, Friedrich equated Apollo, the Greek god of knowledge, with Lucifer the christian devil, and introduced other variants in Biblical and Greek myths, notably the view of Eve as the she-Python slaughtered by Apollo-Lucifer.
Friedrich Leibniz is notable because his mathematical "descendants," which include Carl Friedrich Gauss, number more than 170,000.

Family

Leibniz was married three times. His first marriage was on 31 January 1625 to Anna Fritzsche, who died on 14 March 1634 in Leipzig, the daughter of Mag. Benedict Fritzsche. From the marriage came six known children, only two of whom lived to adulthood:
  • Johann Friedrich Leibniz 1650 Uni. Leipzig, 13 July 1650 Bacc. Phil. ibid., 27 January 1653 Mag. Phil. ibid., 1660 teacher Leipzig, 1667 professor and third colleague at the Thomas School in Leipzig, married on 25 August 1668 in Altenburg Dorothea Elisabeth Schmalz, daughter of the archdeacon in Altenburg Magnus Schmalz and Regina Freiesleben
  • Johann Gottfried Leibniz
  • Elisabeth Leibniz
  • Anna Magdalena Leibniz
  • Susanna Leibniz
  • Anna Rosina Leibniz married in February 1653 in Leipzig with the Mag. and later superintendent in Orlamünde Heinrich Freiesleben
After two years of widowhood, he entered into his second marriage on 24 May 1636 to Dorothea Voigt, the daughter of the Leipzig citizen and bookseller Bartholomäus Voigt and Maria. The marriage remained childless.
His third marriage was on 21 May 1644 in Leipzig to Catharina Schmuck, the daughter of Professor Dr. jur. and Mag. Phil. and Gertraude Lindner, the daughter of Johann Lindner and Elisabeth Clode/Klodt. From the marriage came a son and a daughter: