Alan Sugar was born in 1947 and brought up on a council estate in Clapton, in Hackney. It had a huge impact on him, fuelling a drive to succeed that was to earn him a sizeable personal fortune. Now he describes his amazing journey, from schoolboy enterprises like making and selling his own ginger beer to setting up his own company at nineteen; from Amstrad's groundbreaking ventures in hi-fi and computers, which made him the darling of the stock exchange, to the dark days when he nearly lost it all.