09.05.11 | Katie Allen- The Bookseller
In at 357 is Nigel Blackwell and family, worth £185m, down £45m on last year’s figure.
Authors in the top 1,000 include Harry Potter author J K Rowling, in at number 142. Her earnings have grown 2% or £11m on last year, to £530m. Others reaping rewards from the Potter franchise include literary agent Christopher Little, worth £45m.
Chef, author, restaurateur and campaigner Jamie Oliver’s earnings rank him at 679, up £63% or £41m on last year, to £106m.
If Russian billionaire Alexander Mamut is successful in buying Waterstone's, he would become the highest ranking book trade individual on the list, with a fortune of £1.82bn. The 51-year-old is ranked 34th overall and was a new entry in this year's list.
The annual list is based on the newspaper’s estimates of the minimum wealth of Britain’s 1,000 richest people or families, with the valuations carried out at the beginning of January 2011.