He may have given his name to one of the most iconic designs of the 20th century, the Dyson bagless vacuum, but the road to success has not always been smooth for Sir James Dyson. The British inventor now holds the title of Britain's richest man according to the Sunday Times Rich List 2020 after increasing his fortune by £3.6 billion ($4.4bn) in a year, but to amass his fortune he’s faced pitfalls, rejection and personal tragedy, as well as his fair share of controversy. Click or scroll through to take a look at the 73-year-old entrepreneur's fascinating story.