The two on top were father and son. They were joined soon after the photo was taken by the father of the father - so there were three generations on top. The grandfather was 76 years old ! I shall be posting some photos of his climb shortly.
I have to agree about the bluishness. I find I have to reduce the blue a little on nearly all my scans, whether negative or slide, and I obviously did not spend enough time and care on this one. Having said that, the atmosphere in high summer in the British hills often does have a hazy, bluish tint, so the view won't be that far removed from reality.