Wade Johnston’s Life Under the Cross: A Biography of the Reformer Matthias Flacius Illyricus offers a succinct and accessible introduction to one of Lutheranism’s most complex and often-misunderstood figures. Johnston succeeds in presenting Flacius not merely as a contentious polemicist, but as a theologian formed by deep pastoral concerns, intellectual rigor, and a profound commitment to the authority of Scripture. The book’s greatest strength lies in its clarity. Johnston distills dense theological disputes—especially those surrounding original sin and adiaphora—into prose that is both readable and historically responsible.
At times, however, the brevity that makes the book approachable also limits its analytical depth. While Johnston does a fantastic job of neither falling into hero-worship nor polemical disdain, his brief portrayal of Flacius can obscure some of the more problematic dimensions of Flacius’s thought and temperament. While the book alludes to these tensions, it occasionally stops short of fully interrogating Flacius’s more extreme positions or their consequences for Lutheran unity. Readers seeking a more critical or comprehensive treatment may find themselves wanting additional engagement with recent scholarship, and therein, Johnston’s book paves the way for a more thorough scholarly treatment of Flacius.
For pastors, Life Under the Cross offers a valuable window into the devotional and confessional impulses that shaped early Lutheran identity. Johnston highlights not only the theological stakes of Flacius’s controversies but also their pastoral implications, making the book useful for understanding contemporary confessional debates. The volume’s clear narrative and thoughtful theological exposition make it an excellent entry point for adult education, pastoral study groups, or seminary courses.
Perhaps its most significant contribution is its ability to spark further interest. Johnston invites readers into the world of Flacius and the Magdeburg Centuries with enough intrigue and unanswered questions to encourage deeper research—an accomplishment for any introductory biography.
Brandon W. Koble
Headmaster, Faith Lutheran School
Plano, Texas