Lucretius' didactic poem De rerum natura ('On the Nature of Things') is an impassioned and visionary presentation of the materialist philosophy of Epicurus, and one of the most powerful poetic texts of antiquity. After its rediscovery in 1417 it became a controversial and seminal work in successive phases of literary history, the history of science, and the Enlightenment. In this 2007 Cambridge Companion experts in the history of literature, philosophy...