Moses sought truth in God above while Sophocles looked to reason. Thomas More and Machiavelli pursued truth through social change, and in the modern age, Marx and Einstein found meaning in the sciences. What is the thread that connects them all? In this epic intellectual adventure story, Daniel Boorstin completes the trilogy that began with The Discoverers and The Creators, following these great seekers from the heroic age of prophets and philosophers to the present age of skepticism, as they grapple with the great questions that have always challenged man.