"Eminent Worldviews, Ancient and Modern: Reprinted from the English work entitled Half Hours with Worldviewers." Authors Charles Bradlaugh, Anthony Collins, pen-name, and John Watts present this book as a collection of short biographies and information about prominent publicists, philosophers, and figures who have perceived the world from the standpoint of free thinking. The publication reveals the history of the development of secular thought and so-called "free thinkers" in different eras, presenting the reader with interesting and in-depth information about their ideas and contribution to social development."