This is a little more involving than the previous, which has gone into retirement. It goes like this. I will post the name of a famous person whose initials are AA. The next person does someone whose initials are AB, then AC, AD....AZ. Then BA, BB, etc.

EDIT: If no-one can find any for a particular set in a week, we will skip it and you can then add it at any time.

So... Adam Ant