Many band logos are hugely famous – everyone recognises The Rolling Stones' tongue and Nirvana's smiley face. They're on T-shirts, merch, and if you see them on a news story, you'll know which band ...

To most people, the word 'logo' has very modern associations. It makes us think of things like the golden arches, or the word 'Coca-Cola' in a florid script, or a chrome apple with a concentric bite ...

Jens Müller is something of a logo detective. The Düsseldorf, Germany-based designer finds logomarks—in old magazines, books on design, sometimes in the wild, on buildings—and then sleuths out their ...