[brolumir]

While this is clearly an old post, I'm not sure about the actual date. On the bottom it says 1999, but there's also a citation for an article from 2001.

> For many more details consult the Young Scientists' Network or read the account in the May, 2001 issue of the Washington Monthly.

[knuckleheadsmif]

Being a physics researcher he built a time machine and in late 2001 went back in time to post it.