Charles Edouard Jeanneret, also known as Le Corbusier, was a Swiss-French architect, designer, and urban planner who is widely regarded as one of the pioneers of modern architecture. He was known for his innovative approach to design, which emphasized functionality, simplicity, and the use of modern materials such as concrete and steel. Le Corbusier's work had a significant impact on the development of modernist architecture, and he is best known for his iconic buildings such as the Villa Savoye and the Unité d'Habitation. In addition to his architectural work, Le Corbusier was also a prolific writer and theorist, and his ideas continue to influence architects and designers around the world.