John Titor the Time Traveler
A man named John Titor claimed to be from the year 2036, but disappeared. He made some illuminating claims about the future, many of which actually happened. “Food and livestock are grown locally. People spend much more time reading and talking together face to face. Religion is taken seriously and everyone can multiply and divide in their heads,” were some of his claims...
He Knew About Y2K
Somehow, he knew about Y2K and made some interesting claims about the 2004 Olympics. However, in 2001 he disappeared. He said he needed to return to his own time, and no one ever saw him again...