Built it into a leading South African financial company; sold out in 1999. He also founded London-listed Liberty International, now one of the largest regional shopping centre companies in Europe, in 1980s. Retired as chairman in June 2005 on 75th birthday, though still holds 21% stake and appointed president for life. Celebrated milestone with party at Royal Opera House, where he is a donor. He has dual citizen of South Africa and U.K. Knighted in June. Staff of eight looks after his personal investments; in past year, has been investing in currencies. A few years ago, he bought a new $45 million Falcon 7X airplane to shuttle between homes in London, Florida and South Africa.