Color enhanced portrait of Linnaeus in the traditional dress of the Sami people of Lapland, holding the twinflower that became his personal emblem. Carl Linnaeus (1707-1778) was a Swedish botanist, physician, and zoologist, who laid the foundations for the modern scheme of binomial nomenclature. Linnaeus was a great classifier of living organisms. In 1735 he published Systema Naturae (The Natural World), in which he divided flowering plants into classes ordered according to the structure of their sexual organs. In 1749 he introduced the binomial nomenclature by which each plant was given a latin generic noun followed by a specific adjective. He is known as the father of modern taxonomy, and is also considered one of the fathers of modern ecology.