1 100 (Secondary) teachers X (times) one Wednesday afternoon = Â£525 per weekly CPD. 2  For 38 weeks of the academic year, this would cost Â£52,500 per secondary school. 3  About the equivalent of a very large and healthy, annual school CPD budget.
Main article: The World's Billionaires 2015. Bill Gates was named the richest man in the world by Forbes Magazine's annual list of the world's billionaires. This was the 16th time that the founder of Microsoft claimed the top spot. Carlos Slim came in second for the second consecutive time.
With an inflation adjusted fortune of $400 billion, Mansa Musa I would have been considerably richer than the worldâs current richest man, Carlos Slim, who ranks in 22nd place with a relatively paltry $68 billion. The list, compiled by the Celebrity Net Worth website, ranks the worldâs 24 richest people of all time.eanwhile John D. Rockefeller, third on the list, is the richest American to have ever lived, worth $340billion in today's USD at the time of his death in 1937.