This book presents Karl Barth as a theologian of divine action, offering a fresh interpretation through a historical and sociogenetic lens. It highlights Barth's relevance to public theology, his contributions to science-religion dialogue, and his role in comparative religion through analogical reasoning. Positioned within an ecumenical and global Christian context, Barth emerges as a pioneering voice for critical and emancipatory public theology--inviting readers to engage his legacy in new and transformative ways.