Titus Lucretius Carus (ca. 99 BC- ca. 55 BC) was a Roman poet and philosopher. His only known work's the epic philosophical poem on Epicureanism De rerum natura, translated into English as On the Nature of Things. Life of Lucretius Very little's known about Lucretius's life; the only certain fact's that he was either a friend or a client of Gaius Memmius, to whom he dedicated De Rerum Natura. Another piece of information's found in a letter Cicero wrote to his brother Quintus in February 54 BC.… (More on Lucretius)