It's not uncommon for someone to love their work so much that they take it home with them. But for historian and self-proclaimed cemetery expert Anatoly Moskvin, his obsession with his work went just a little too far.

When Dr Ignaz Semmelweis noticed a pattern in the number of "childbed fever" deaths, he devised a cunning plan to correct the problem. Though it worked, it was apparently just too far ahead of its time.