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
Carl Linnaeus 1907 noted this as the "most important sign of Linnaeus' genius". Linnaeus classified humans among the primates (as they were later called) beginning with the first edition of "". During his time at Hartekamp, he had the opportunity to examine several monkeys and noted similarities between them and man. He pointed out both species basically have the same anatomy; except for speech, he found no other differences. Thus he placed man and monkeys under the same category, "Anthropomorpha", meaning "manlike." This classification received criticism from other biologists such as Johan Gottschalk Wallerius, Jacob Theodor Klein and Johann Georg Gmelin on