"The Radicalization of Cicero" is an academic book that explores the role and influence of the Cicero tradition at the beginning of the 18th century. By analyzing the previously overlooked neo-Latin work "Cicero Illustratus," it provides a deeper insight into Cicero's scholarship and its relevance in the context of the early Enlightenment. The book highlights the erudite and polemical passages of the work and examines the motives behind the exploration of the Cicero tradition. Furthermore, it analyzes the role of this tradition in the political and radical movements of the Enlightenment, emphasizing Cicero's unexpectedly prominent position in significant political and philosophical works. The findings and analyses in this book offer scholars and students valuable new materials on the classical tradition, the history of scholarship, and the intellectual history of the early Enlightenment.