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
Prince Karl Anton of Hohenzollern Prince Karl Anton of Hohenzollern Prince Karl Anton of Hohenzollern-Sigmaringen () (1 September 1868 – 21 February 1919) was a member of the Princely House of Hohenzollern-Sigmaringen. Karl Anton was the third and youngest son of Leopold, Prince of Hohenzollern and his wife Infanta Antónia of Portugal. Karl Anton's elder brothers were William, Prince of Hohenzollern and Ferdinand I of Romania. On 28 May 1894 in Brussels, Karl Anton married his cousin Princess Joséphine Caroline of Belgium (Brussels 18 October 1872-Namur 6 January 1958), daughter of Prince Philippe, Count of Flanders and his wife Princess Marie of Hohenzollern-Sigmaringen. In 1909