Peter Zumthor is a Swiss architect known for his thermal architecture which focuses on creating spaces that feel warm and inviting through the use of natural materials like stone, wood, and glass. His buildings are meant to create a sense of shelter and comfort through their connection to the landscape and careful consideration of light, materials, and atmosphere. Some of his most famous works include the Thermal Baths in Vals, Switzerland and the Kolumba Museum in Cologne, Germany.