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Euler Genus 337
Leonhard Euler ( ; ; ; 15 April 170718 September 1783) was a Swiss polymath who was active as a mathematician, physicist, astronomer, logician, geographer, and engineer. He founded the studies of graph theory and topology and made influential discoveries in many other branches of mathematics, such as analytic number theory, complex analysis, and infinitesimal calculus. He also introduced much of modern mathematical terminology and Mathematical notation, notation, including the notion of a mathematical function. He is known for his work in mechanics, fluid dynamics, optics, astronomy, and music theory. Euler has been called a "universal genius" who "was fully equipped with almost unlimited powers of imagination, intellectual gifts and extraordinary memory". He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Kingdom of Prussia, Prussia. Euler is credited for popularizing the Greek letter \pi (lowercase Pi (letter), pi) to denote Pi, th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jakob Emanuel Handmann
Jakob Emanuel Handmann (16 August 1718 – 3 November 1781) was a Swiss painter who specialised in portrait painting. He was a contemporary of the Swiss painters Anton Graff, Jean Preudhomme, Angelica Kauffman, Johann Jakob Schalch, Johann Caspar Füssli and his son Johann Heinrich Füssli. Life and work Handmann was born on 16 August 1718 in Basel, Switzerland. He was the ninth of fourteen children of Johann Jakob Handmann, a baker and later bailiff of Waldenburg, Basel, Waldenburg, and his wife, Anna Maria Rispach. Between 1735 and 1739, he made an apprenticeship as a stucco plasterer and studied painting in Schaffhausen with the painter and stucco plasterer Johann Ulrich Schnetzler. He made study trips to Paris, Rome and Naples. From 1739 to 1742, he worked in Paris at the studio of Jean Restout the Younger, who influenced his work. In 1742 Handmann travelled through France finding employment in a portrait studio partnership with the painter Hörling. In the business partn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
