Martin Ferguson Smith's work on Lucretius is both well known and highly regarded. However, his 1969 translation of De Rerum Natura -- long out of print -- is virtually unknown. Readers will share our excitement in the discovery of this accurate and fluent prose rendering. For this edition, Professor Smith provides a revised translation, new Introduction, headnotes and bibliography. Martin Ferguson Smith is Professor of Classics Emeritus, Univ. of Durham, United Kingdom. Among his scholarly achievements are his revisions of the Rouse translation of De Rerum Natura for the Loeb Classical Library.