Karl Elsener (inventor) his grandson Carl Elsener senior (1922-2013) and his great-grandson Carl Elsener Jr. (born 1958) led the Victorinox company. 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
Karl Friedrich Henckell 1908. His poetry is revolutionary and socialistic in its tendency. The composer Richard Strauss set nine of Henckell's poems to music, the first one in 1894, "" (Rest, my soul). Karl Friedrich Henckell Karl Friedrich Henckell (17 April 1864, Hanover – 30 July 1929, Lindau) was a German author, poet, and publisher. Henckell studied at the universities of Berlin, Heidelberg, Munich, and Zurich. He lived abroad, in Switzerland, in Zurich and much later Muri (Bern), in Italy (Milan), and in Belgium (Brussels), and was well acquainted with the modern literatures of Europe, on which he frequently lectured, besides giving readings