This biography delves into the life and artistic journey of Swiss composer Frank Martin (1890–1974), a pivotal figure in 20th-century music. Perroux’s work traces Martin’s evolution from his early compositions to his later experimental pieces, highlighting his contributions to modernist and neoclassical traditions. The book explores Martin’s unique approach to harmony, his influence on contemporary composers, and his enduring legacy in both academic and performance circles. Through detailed analysis of his major works, including operas and chamber music, Perroux contextualizes Martin’s career within broader musical movements of the era. The text also examines Martin’s personal struggles and creative philosophies, offering insights into how his life shaped his art. While not a technical manual, the biography serves as an accessible yet scholarly resource for music enthusiasts and researchers alike. Its focus on Martin’s innovative techniques and his role in bridging classical and modernist aesthetics makes it a valuable addition to studies of 20th-century composition. The work is particularly notable for its emphasis on Martin’s lesser-known projects, providing a nuanced portrait of a composer often overshadowed by his contemporaries.