[UPDATED for 2012!]
They were almost Presidents. Instead they became the forgotten few who lost to Abraham Lincoln and Franklin D. Roosevelt.
Surprisingly, the runner-ups were overwhelmingly white. Facial hair was common in the 1800's (John C. Breckinridge loved his mustache), but from 1952 onward every loser was clean-shaven. There's also a noticeable regression from candid color portraits, to black and white, to posed photographs, to daguerreotypes, to paintings.