Ayn Rand and Friedrich A. Hayek were two of the most influential thinkers of the 20th century in the effort to turn the current of opinion away from collectivism and toward what could be called classical liberalism or libertarianism. The purpose of this pedagogical article is to explain, describe, and compare the essential ideas of these great advocates of liberty in language that permits generally educated readers to understand, recognize, and appreciate their significance. It that sense, it hopes to make (...) the the ideas of Rand and Hayek accessible to a wide range of readers through the use of clear explanations. To aid in this endeavor, the article concludes with the presentation and discussion of a table that summarizes and compares their ideas on a variety of problems in and dimensions of philosophy and social science. The target audience of this essay includes educated laypeople and college students, many of whom may decide to read and study the original works of these prominent theorists of a free society after being exposed to their essential ideas. (shrink)