bill gates is the co-founder of the software company microsoft.born on 28 october,1955,he is very bright.science and maths were his two favourite subjects.he dreamt of being a scientist.bill gates first started to play on computers at the age of 13.at that time,a computer was a very large machine,and it was not convenient to carry it.once he was interested in a very old computer,he and some of his friends spent as much time as possible on computers.