You're talking about top world corporations here - those are not one-man establishments... If founder dies, Board put somebody else in charge.
His kids and wife will run there company. They are set for life May have the always have strength to run their company..
Nothing will happen i think bill gates is a smart man he had a back up for is company always i sure about it he things about that thing as well but i pray my god give him a long life i love microsoft it makes life really easy.
Well i think this is not right to discuss such a thing about intellectual and genius of the age. Bill is great person in every prospect.Rather you can discuss his success list in front of us.