User blog comment:D.Ryan/Andrew Ryan in Bioshock 2/@comment-1038234-20100116023327

I really don't know how he could have aged. Jack Did kill him, stuck a putter right in his skull.

But then again, he was meant to survive by use of Vita Chamber. The Vita Chamber in his office was off, but he does heal in the NEAREST Vita Chamber.

Do I smell a Spoiler?