Which renowned architectural firm's logo was personally designed by its founder and was inspired by his signature red square stamp used on Japanese artworks he collected?

In the world of architecture, iconic firms often develop distinctive brand identities that become instantly recognizable within the industry. These logos represent not just a company, but a design philosophy and legacy of built work. This trivia question tests your knowledge of one of the most distinctive architectural practice logos and its fascinating origin story. Can you identify the correct connection between this famous architectural brand and its visual identity?

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Frank Lloyd Wright Foundation (Taliesin)
Foster + Partners
Frank Gehry Partners
SOM (Skidmore, Owings & Merrill)