Brain Game: Big John

We're currently about eight months away from the next presidential election, so today's mentalfloss.com Brain Game Tuesday Test Time challenge focuses on a particular Commander-in-Chief of the past. Good luck!

John C. Calhoun was this U.S. president's second-in-command, making it the only time that a president and vice president shared the same first name. Name this president.

Here is the ANSWER.

THE ANSWER:

JOHN QUINCY ADAMS.

Thanks for playing! Tomorrow, it's Wordplay Wednesday. And coming later in the week, a new Really, Really Bad Rebus!