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 ...

Josh Fehnert investigates the modernist roots of the corporate logo by speaking to the editor of a vast new compendium on the subject. As Adobe Photoshop celebrates its 25th anniversary we look at the ...