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Tech

Bill Gates

Left Harvard to sell a BASIC interpreter; a 1980 IBM licensing deal set Microsoft's course.

Born
1955 · Seattle, Washington, US
Roots
White American; English, German, and Scots-Irish descent
Family
Affluent
Prominent Seattle family — attorney father; mother served on corporate and national nonprofit boards.
Education
Lakeside School → Harvard (dropped out)
Started with
Terminal time
His school bought mainframe access when he was 13 — rare for the era; Microsoft itself was funded from early contract revenue.
Affiliations & societies
None documented.
Information only — claims like these are often unverifiable and may be wrong.

The pathway

  1. 1968 · age 13
    Computer access at Lakeside

    His school buys terminal time on a mainframe — rare for the era.

  2. 1975 · age 19
    Founds Micro-Soft

    Leaves Harvard; sells a BASIC interpreter for the Altair with Paul Allen.

  3. 1980 · age 24
    IBM contract$75K

    Buys 86-DOS for ~$75K and licenses it to IBM while keeping the right to sell it to other manufacturers. His mother knew IBM's chairman through the United Way national board.

  4. 1986 · age 30
    IPO

    Microsoft lists on the NASDAQ.

  5. 1987 · age 31
    Billionaire status$1.25B

    Per Forbes, the youngest at the time.

  6. 1995 · age 39
    Ranked world's richest person

    Holds the Forbes top spot for most of the following two decades.

  7. 2000 · age 44
    Gates Foundation

    Steps back from Microsoft's day-to-day over the following years.

Sources

Compiled from these references and contemporaneous press reporting. Figures are approximate; verify before relying on them.