Paul Marie Letarouilly was a French architect and writer, renowned for his detailed studies of Roman architecture in the 19th century. His most significant work, "Edifices de Rome moderne," is a comprehensive collection that documents the most remarkable palaces, churches, convents, and public monuments of Rome. This extensive compilation not only serves as an architectural guide but also reflects the cultural and historical context of the city during his lifetime. Letarouilly's meticulous attention to detail and his ability to capture the essence of Roman architecture made his works invaluable resources for both scholars and enthusiasts of architecture. In addition to his monumental collection, Letarouilly authored "Le Vatican et la basilique de Saint-Pierre de Rome," further emphasizing his focus on the architectural grandeur of the Vatican and its significance in the broader context of Roman history. His contributions to architectural literature were instrumental in shaping the understanding of Roman structures and their influence on modern architecture. Letarouilly's legacy endures through his detailed illustrations and descriptions, which continue to inspire architects and historians alike, highlighting the enduring beauty and complexity of Rome's architectural heritage.