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
I Invented Sex I Invented Sex "I Invented Sex" is a song by American R&B singer Trey Songz, and features Canadian recording artist Drake. Together, they wrote the song alongside Tony Scales and its producer, Los Da Mystro. It was released to urban airplay as the third single from Songz's third studio album "Ready" on October 13, 2009. The song features a sensual message, accompanied by heavy percussion. "I Invented Sex" received positive reviews, and reached number forty-two on the "Billboard" Hot 100, and became Songz's first song to top the Hot R&B/Hip-Hop Songs chart. Its official remix features fellow R&B singers Keri