It seems that archeologists have definitively identified the remains of Copernicus, using a combination of forensic reconstruction and DNA matching. Historians were pretty sure that he was buried in a particular church, but weren't quite sure where within it the grave actually was. They found a likely set of bones a few years back, and a reconstruction of the face from the skull sure looked an awful lot like Copernicus. (It also happened to look an awful lot like James Cromwell, the actor who played Farmer Hoggett in Babe, but he's still alive).
While exercises like this are of historical interest, to me they've always raised the question as to when a set of remains becomes fair game for mucking about. If you were to dig up poor great aunt Edna, extract her skull, and sent it off to a lab in Sweden, you might be looked upon as being ...