No consensus. Many people think we will eventually invent tech to relaunch cryonically frozen people, and many other people disagree, but pretty much no one sees any hope for reconstructing people whose brains have already decomposed.
Depends on what you think of as a person. If you reconstructed someone based on your and other people's memories of them and whatever other record there exists, they may well be just what you remember. That might be enough to make you happy. Of course, the recreated person won't be the same as whoever they are modeled after.
Go see for yourself.
The complete post is quite long and just as good as this quote.