The most memorable letter-as-logo is Barack Obama's "O," but before him, Hubert H. Humphrey (D) used a triple "H" in 1968, and one iteration of George W. Bush's (R) 2004 logo used just the "W." ...

Tulsi Gabbard, one of two millennial veteran candidates ... Interestingly, the only two candidates to use single-letter logos were the earliest to announce, former Rep. John Delaney and nonprofit ...

One logo, seen clearly on his upper-left chest, is for “CES Letter.” In the storyline, Spider-Man has been separated from his alter-ego, Peter Parker, and is acting in uncharacteristic ways.

For half a century, it was one logo or the other at the space agency ... Danne and Mr. Blackburn went far beyond just a four-letter logo. They also put together a compendium of dos and don ...

The FT Weekend’s look at the growth of independent designers (“Say no to the logo”, Life & Arts, December 4) is illuminating about a trend that goes beyond China. Young consumers do indeed ...