Corrected Internet link.
Forty-seven men have served as Vice-President of the United States from 1789 to the present. Some inherited the office of President by virtue of the death, or resignation, of the man in the White House. Others achieved that goal upon the conclusion of the term of his predecessor.
From John Adams to Joe Biden, this app offers a portrait and a brief biography of each of these men and attempts to explain their role in American History.