Louis S. Kahn was an influential American architect known for his unique approach to design and use of materials. Born in 1901 in Estonia, he later moved to the United States, where he became a prominent figure in modern architecture. Kahn's work is characterized by monumental forms, natural light, and a deep respect for the materials he used, often incorporating brick, concrete, and light in innovative ways. Some of his most famous projects include the Salk Institute in California and the Kimbell Art Museum in Texas. Kahn's designs often evoke a sense of spirituality and contemplation, making him a key figure in the development of modern architecture. His legacy continues to influence architects and designers around the world.