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 Urban (aviator) from combat duty during July 1918, Urban became a test pilot. A session for evaluating new aircraft was scheduled for 9–13 July at Aspern Airfield near Vienna. On 12 July 1918, while looping a new model Phönix D.I at 1500 meters, it lost its wings. Karl Urban died in the crash. A week later, he was posthumously promoted to Austria-Hungary's highest noncommissioned officer rank, "Offiziersstellvertreter" (Deputy Officer). Karl Urban (aviator) Karl Urban (29 December 1894 - 12 July 1918) was a World War I flying ace credited with five aerial victories. Karl Urban was born in Graz, Austria on 29