Titus Lucretius Carus (ca. 99 BC- ca. 55 BC) was a Roman poet and philosopher. His only known work is the epic philosophical poem on Epicureanism De rerum natura, translated into English as On the Nature of Things or "On the Nature of the Universe". Life of Lucretius Very little is known about Lucretius's life; the only certain fact is that he was either a friend or a client of Gaius Memmius, to whom he dedicated De Rerum Natura. Another piece of information is found in a letter Cicero wrote to… (More on Lucretius)