Together, these two thinkers have built the majestic cathedral of ancient atomism. Leucippus was the teacher. Democritus, the great pupil who wrote dozens of works on every field of knowledge, was deeply venerated in antiquity, which was familiar with these works. “The most subtle of the Ancients,” Seneca called him.3 “Who is there whom we can compare with him for the greatness, not merely of his genius, but also of his spirit?” asks Cicero.4
