Tim Bray has published a curious list of the Top 40 Software people on the world... 40 nominations where to extract the best Top 20 (I think he has missed someone like George Boole for example, the pioneer of the computing world and he has inserted someone that could be totally excluded (don't ask me the name please 
) ...).
What do you vote? And do you have other suggestions? I'm curious... 
UPDATE: Tim Bray has signalled me a correction... the list is published by SYS-CON with the Tim's name, but Tim is not the author of this list (as he explained). Precisation needed.