Gary Johnson
Gary Johnson, Libertarian Party candidate for President, in 2016
John Hospers ran as the Libertarian Party candidate for President in 1972, but only had ballot recognition in Colorado and Washington.
Kathie Glass, Libertarian candidate 2014. Other answer: Rick Perry
Bernie Sanders was the 2016 Democratic presidential candidate from the state of Vermont at the age of 74.
The candidate with the most votes.
Dead Run - 2016 was released on: USA: 2016
Yes, but it has not happened yet in the US. Hillary Clinton is currently the leading candidate for the Democratic nomination in 2016, but she may be too old to run.
Colorado cast its 9 electoral votes for Hillary Clinton in the 2016 election. The popular vote count was Hillary Clinton 1,338,870, Donald Trump 1,202,484 and Libertarian candidate Gary Johnson 144,121.
Quite possibly, none of them.
Tyson's Run - 2016 was released on: USA: 25 December 2016
Bob Barr was the Libertarian candidate for President in 2008. Mr Barr is a former federal prosecutor and served in the house of representatives. Initially a republican, Barr joined the Libertarian Party in 2006.
Rand Paul, son of libertarian Conservative Ron Paul, who more or less came in second in the Republican nomination race in 2012. Unlike his father, though, Rand tried to be "moderate", when libertarianism is what's really popular, so he didn't do nearly as well as his dad.