It's on topic - Clive Sinclair was a well known electronics engineer in the UK, though within the industry he was most famous for his capacity for snatching defeat from the jaws of victory, usually by trying to trim the bill of materials a little too far.
He won't be missed. Chris Curry has posted a memorial video. It probably won't include the information the Clive Sinclair bank-rolled Chris Curry's effort to become a member of parliament for Cambridge representing the National Front (a neo-Nazi group) .