The Apple I motherboard. Credit: Peter Belanger

Before the iPod, the Macintosh, or even the formation of Apple Computer Company on April Fool's Day 1976, there was the Apple I. Designed by Steve "Woz" Wozniak, then an engineer at Hewlett-Packard, it was less a personal computer than the bare essentials of one: the circuit board you see in the image at left is the Apple I (buyers had to hook up their own keyboards, displays, and power supplies). This computer, the very first Apple I made, was first used in a math class at Windsor Junior High School in Windsor, CA, in 1976 and donated to the LO*OP Center, a nonprofit educational organization run by Liza Loop. In total, only about 200 of the Apple I mother­boards were made. In 1977, Apple introduced the groundbreaking Apple II--which could be bought simply as a motherboard or assembled with case, keyboard, and power supply.

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