Antoni Gaudi was a Spanish architect born in 1852 in Reus, Catalonia. He is known for his unique and innovative architectural style, which is characterized by the use of organic shapes, intricate details, and vibrant colors. Gaudi studied architecture in Barcelona and quickly gained recognition for his work, which included buildings such as Casa Batlló and Casa Milà. However, his most famous work is the Sagrada Familia, a massive basilica in Barcelona that he worked on for over 40 years until his death in 1926. Gaudi's style was heavily influenced by nature, and he often incorporated elements such as plants and animals into his designs. He was also known for his use of ceramics, stained glass, and wrought iron in his buildings. Gaudi's work has had a significant impact on modern architecture, and he is considered one of the most important architects of the 20th century.