Which renowned architecture firm rebranded in 2015 with a controversial minimalist logo change, replacing their distinctive 3D graphic with a simple wordmark that caused debate about brand heritage?

In the world of architecture, firm logos often reflect design philosophy, structural elements, and creative vision. These visual identities evolve over time, capturing changing aesthetics while maintaining recognition. This poll tests your knowledge of iconic architectural firm logos and their evolution. Can you identify which famous architecture firm underwent a significant logo redesign that sparked industry-wide conversation about minimalism versus heritage in brand identity?

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Foster + Partners
Pentagram Architecture
Gensler
SOM (Skidmore, Owings & Merrill)