You can imagine the kind of dinner parties I had to go to at a young age... pretty dull.
I would hazard a guess that we have found fossilized human remains of at least a thousand different specimens in South and East Africa, more or less complete at that. I think this is where the prelude to human history was primarily played out.
The deviation of man from the state in which he was originally placed by nature seems to have proved to him a prolific source of diseases.