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 Kehrbach Karl Kehrbach Karl Kehrbach (22 August 1846, Neustadt an der Orla – 21 October 1905, Charlottenburg) was a German pedagogue best known as editor of the multi-volume " Monumenta Germaniae Paedagogica". He studied pedagogy at the University of Leipzig, and from 1874 was a member of Tuiskon Ziller's educational seminar. For several years he worked as a teacher, and for a period of time served as a librarian at the University of Halle. From 1883 he lived in Berlin-Charlottenburg as a private scholar, receiving the title of professor in 1894. He was a founder of the "Gesellschaft für deutsche Erziehungs-