Carl Elsener Sr. Carl Elsener Sr. Carl Elsener Sr. (also known as Charles Elsener, born 6 July 1922 in Ibach, † 1 June 2013 in Schwyz) was a Swiss entrepreneur. Carl Elsener was the grandson of Karl Elsener (1860-1918) and the son of Carl Elsener (1886-1950). Karl Elsener had opened a factory in Ibach for the production of knives and surgical instruments, from which the knife factory Victorinox developed. Carl Elsener led the company initially with his father and his brother Eduard Elsener (b. 1926). After the death of his father in 1950, he took over the management. The Swiss Army Knife is
Karl Langer Karl Langer Karl Langer, Ritter von Edenberg (15 April 1819, Vienna – 8 December 1887) was an Austrian anatomist. He is known for his work in the field of topographical anatomy. He studied medicine at the Universities of Vienna and Prague, afterwards working as a prosector in Vienna under Joseph Hyrtl (1810–1894). In 1856 he became a professor at the Josephinum, later serving as director of the second institute of anatomy at the University of Vienna (1870–74). In 1874 he succeeded Hyrtl as director of the first institute of anatomy. With Christian August Voigt (1808–1890), he was tasked with planning