This was the man who launched me into a computing career. As a kid I remember the ZX81 (my friend had one) and it piqued my interest enough to want to get into computers. Being a rather enterprising child, I remember getting into minor trouble once and being given lines (I must not do whatever it was I did as the time) - so I wrote a program to print out the lines to give to the teacher (she laughed and made me go back an write them out, but it was worth a try). I got my first job while still at school fixing computers (Spectrums, BBCs, QLs - you name it, whatever was about at that time).
I raise a pint, and tip my hat in memory of Sir Clive Sinclair.