My favourite train logo is the DB (Deutsche Bahn). The simple two letter logo was modernised by 1994 Kurt Weidemann, with typographer Erik Spiekermann designing the font, DB Type.

The O logo’s impact could be seen four years later, when Mitt Romney ditched his 2008 full-name-with-eagle logo for a red, white, and blue letter R. By 2016, candidates like Rick Perry, Bobby ...

[Image: NBC News] By the 1990s, single-letter monograms had dropped to 2% of new logos, but they have bounced back, accounting for a little more than 3% of this decade’s logos, perhaps due to ...

I called up Ruth Kedar, the designer who created the Google logo in 1999. “The font was chosen in many ways because of that very unusual ‘g,’” she confessed.