This volume investigates the theological contributions of twenty secondary figures who shaped the intellectual landscape of the 16th-century Reformation. David C. Steinmetz, a noted scholar of Reformation theology, utilizes biographical sketches to anchor his analysis of specific doctrinal problems. By examining these lesser-known thinkers, the author provides a nuanced framework for understanding the broader debates that defined the era's religious shifts.

Scholars and students of church history frequently cite this work as a valuable resource for contextualizing the secondary figures who supported or challenged the major reformers. The text is noted for its accessibility and its ability to distill complex theological debates into clear, manageable chapters.