The British Sunday Times newspaper has published its first Rich List for sports stars and with seven of the top ten coming from F1, it appears that it is still a very lucrative business despite the credit crunch. Johnny Dumfries, a former Lotus team mate of Ayrton Senna and heir to one of Scotland’s oldest aristocratic families, is the best placed motor racing personality in third ahead of former Ferrari driver Eddie Irvine (£80million), 1979 F1 champion Jody Scheckter (£60million), who is in because he lives in the UK and Prodrive boss Dave Richards (£58million) David Coulthard (£50million), Nigel Mansell More…