[If Aidou hadn't thought of it, he would consider himself a failure of a scientist. And really the fact that the populace was so few meant that there had to be specific reasons each person was brought here. It's only common sense.]
The fact that you seem to have found someone who is from your world, but not someone you know personally means that ever isn't as closely tied to each other as I first thought. Perhaps there is a specific link in the chain we need to find.