Carl Linnaeus end of his life he timidly advanced the hypothesis that all the species of one genus constituted at the creation one species; and from the last edition of his "Systema Naturæ" he quietly left out the strongly orthodox statement of the fixity of each species, which he had insisted upon in his earlier works. ... warnings came speedily both from the Catholic and Protestant sides. The mathematical PageRank algorithm, applied to 24 multilingual Wikipedia editions in 2014, published in "PLOS ONE" in 2015, placed Carl Linnaeus at the top historical figure, above Jesus, Aristotle, Napoleon, and Adolf Hitler (in that
Taxonomy of the Orchidaceae Taxonomy of the Orchidaceae The taxonomy of the Orchidaceae (orchid family) has evolved slowly during the last 250 years, starting with Carl Linnaeus who in 1753 recognized eight genera. De Jussieu recognized the Orchidaceae as a separate family in his Genera Plantarum in 1789. Olof Swartz recognized 25 genera in 1800. Louis Claude Richard provided us in 1817 with the descriptive terminology of the orchids. (See "External links" below). The next step was taken in 1830-1840 by John Lindley, who recognized four subfamilies. He is generally recognized as the father of orchid taxonomy. The next important step was taken by