Karl Elsener (inventor) Karl Elsener (inventor) Karl Elsener (9 October 1860 - 26 December 1918) was a Swiss cutler, inventor and entrepreneur. Karl Elsener completed an apprenticeship as a knife maker in Zug. After some journeyman years he opened a factory in Ibach, Switzerland in 1884 for the manufacture of knives and surgical instruments. He invented the Swiss army knife in 1891 and developed his knife manufacturing company into what has become Victorinox. From 1912 to 1918 Elsener was a member of the cantonal parliament of the Canton of Schwyz. He was married three times. After him his son, Carl Elsener (1886-1950), and
Karl Krumbacher of Michael Glykas (1894) and Kassia (1897) and "Populäre Aufsätze" (1900). In "Das Problem der neugriechischen Schriftsprache" (1902) he strongly opposed the efforts of the Katharevousa purists to introduce the classical style into modern Greek language and literature. A full list of his works was published in the memorial edition of "Byzantinische Zeitschrift". Karl Krumbacher Karl Krumbacher (23 September 1856 – 12 December 1909) was a German scholar who was an expert on Byzantine Greek language, literature, history and culture. He was one of the principal founders of Byzantine Studies as an independent academic discipline in modern universities. Krumbacher was