Pier Luigi Nervi was an Italian engineer and architect, known for his innovative use of reinforced concrete. Born in 1891, he played a significant role in modern architecture, designing structures that combined functionality with aesthetic appeal. His work often featured elegant curves and large spans, showcasing the potential of concrete as a building material. Nervi's most famous projects include the Palazzetto dello Sport in Rome and the National Congress Hall in Addis Ababa. He was also a pioneer in the field of structural engineering, influencing future generations of architects and engineers with his creative designs and techniques.