If you really want to be believed, just show up to Stephen Hawking's time traveler party he held in 2009[0]. [0]: http://www.telegraph.co.uk/news/picturegaller

If you really want to be believed, just show up to Stephen Hawking's time traveler party he held in 2009[0]. [0]: http://www.telegraph.co.uk/news/picturegalleries/howaboutthat/10488058/Professor-Hawking-fan-tries-to-prove-time-travel-by-creating-invitations-for-party-thats-already-happened.html http://www.telegraph.co.uk/news/picturegalleries/howabouttha...