Soleil et chair ("Sun and Flesh" in English) is a poem written by Arthur Rimbaud in May 1870, the work, while being unmistakably Rimbaud, nevertheless exhibits the influence that both Romanticism and Latin writers such as Titus Lucretius Carus, ( 15 October 99 BC – c. 55 BC) was a Roman poet and philosopher,and been credited with originating the concept of the three-age system which was formalised from 1834 by who?