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 Moritz Schumann including: Karl Moritz Schumann Karl Moritz Schumann (17 June 1851 in Görlitz – 22 March 1904 in Berlin) was a German botanist. Dr. Schumann was the curator of the Botanisches Museum in Berlin-Dahlem from 1880 until 1894. He also served as the first chairman of the "Deutsche Kakteen-Gesellschaft" (German Cactus Society) which he founded November 6, 1892. Karl Moritz Schumann participated as a collaborator in "Die Natürlichen Pflanzenfamilien" by Adolf Engler and K. A. E. Prantl and in "Flora Brasiliensis" by Carl Friedrich Philipp von Martius. The genera "Schumannianthus" (), "Schumanniophyton" (), "Schumannia" () and several species were named after