And when I talked to his corpse, it said: "I'm slowing you down, am I?" - of course you are!
![:)](http://192.241.182.11/images/smilies/smile.png)
So I reloaded my game and ignored the scientist, going up a stairs instead. When I was on an upper level, he died suddenly for no reason... Maybe he was scared that I was leaving him alone and died of fear.
![:)](http://192.241.182.11/images/smilies/smile.png)