What materials did Frank Lloyd Wright famously use in his architectural designs?

Frank Lloyd Wright is renowned for his philosophy of organic architecture, which emphasizes harmony between human habitation and the natural world. This approach often involved using local materials that would blend seamlessly with their surrounding environments. For instance, he frequently utilized native stone, wood, and other materials that were readily available in the areas where he designed his buildings. This not only created a visually cohesive aesthetic but also ensured that the structures were more sustainable and integrated with their landscapes.

While Wright did incorporate elements like steel and concrete into some of his works, the defining aspect of his style was the use of materials that echoed the characteristics of the site, making option C the most representative of his architectural ethos. The focus on local materials allowed his designs to feel more organic and connected to the environment, aligning with his belief that the built environment should reflect its natural context.