The first personal computer was developed less than forty years ago.
William Gates was born in 1955 in California.
He became interested in computers at the age of 13.
He studied at Harvard University.
He established the Microsoft Company in 1985.
It employed only ten workers at first.
The original PC came in a form of an electronic kit.
The software for that machine was developed by Louis Pasteur.
By 1981 Microsoft had already 129 workers.
William Gates has earned about seventeen billion dollars.
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