Which world-renowned architecture firm uses this distinctive logo description: a simple, lowercase red square with white text inside that reads the founder's surname?

Architecture firms rely on strong visual branding to represent their design philosophy and stand out in a competitive industry. Some architectural logos have become iconic symbols that instantly convey the firm's reputation and design approach. This trivia question tests your knowledge of famous architectural brand identities that have become nearly as recognizable as the buildings they design.

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OMA (Office for Metropolitan Architecture)
Foster + Partners
Gensler
REX (Ramus Ella Architects)