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.
When we think of the worldâs all-time richest people, names like Bill Gates, Warren Buffet and John D Rockefeller immediately come to mind. But few would have thought, or even heard of, Mansa Musa I of Mali â the obscure 14th century African king who was today named the richest person in all history.