This book serves as both a course text and a reference book across the broad spectrum of issues of concern in the philosophy of science. Taken as a whole, the volume provides an unparalleled survey of all the topical areas, major methods, and stances. With entries on important figures in the history of the philosophy of science, as well as a comprehensive account of areas of contemporary interest, this Companion is the most authoritative resoure guide available in the philosophy of science.