Titus Lucretius Carus, c. 99 BC - c. 55 BC. Roman philosopher and poet who expounded his Epicurean atomist cosmology in the didactic poem De Rerum Natura.
Internet Encyclopedia of Philosophy article by David Simpson. Extensive discussion of the life, doctrine, and context of this Roman Epicurean thinker. www.iep.utm.edu/l/lucretiu.htm