A 1984 photo of William Henry Gates III, founder and chairman of Microsoft. Gates and his childhood friend Paul Allen founded Microsoft on April 4, 1975, in Albuquerque, N.M., to make and sell BASIC interpreters for the Altair 8800, an early computer that was sold to hobbyists. Gates dropped out of Harvard University in his third year to focus on the company.
(Photo: AP)
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