Which architectural firm underwent a controversial rebrand in 2017, replacing their 40-year-old logo with a minimalist wordmark that sparked debate throughout the industry?

Frank Lloyd Wright once said, 'The mother art is architecture.' As architecture firms have evolved into global brands, their visual identities have become crucial to their market positioning. This poll tests your knowledge about the rebranding of a major architectural firm that shifted its visual identity to reflect changing design philosophies and market demands. How well do you know the visual evolution of the world's leading architectural brands?

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Pentagram (ditching their iconic five-pointed star for a simple text treatment)
Gensler (abandoning their distinctive red square for a black and white logotype)
Foster + Partners (removing the plus symbol that had been their signature element since 1967)
SOM (Skidmore, Owings & Merrill) (replacing their blue cube with a minimalist text-only design)