The reason for including this brief review of the Enlightenment is the clear relationship to STEM disciplines and the values that STEM education should represent. In this brief discussion of the Enlightenment, I have tried to capture the connections between philosophical and scientific ideas that became components of America’s foundational documents. Teacher background information is included in this book selection, as well as the Table of Contents, Preface, Acknowledgments, About the Author, References, and Index.