Denis Tito's Crazy Mars Plan

http://cosmiclog.nbcnews.com/_news/2013/02/27/17120657-going-to-mars-in-2018-concept-is-so-crazy-and-simple-it-just-might-work?lite

Better send a married couple. :)

http://www.independent.co.uk/news/science/fancy-a-trip-to-mars-dear-a-tried-and-tested-malefemale-partnership-in-focus-for-space-mission-8513813.html