
The Altair 8800 of Ed Roberts
In contrast with the first microprocessor based personal computer—Micral, the MITS Altair 8800 was extremely successful market product. The designer—Ed Roberts intended to sell only a few hundred to hobbyists, but he was surprised when he sold thousands in the first month.
The microcomputer was sold by mail order through advertisements in Popular Electronics, Radio-Electronics and other hobbyist magazines. Both kits and fully assembled machines were available. Today the Altair 8800 is widely recognized as the first spark, that led to the microcomputer revolution of the next few years, because the computer bus designed for the Altair was to become a de facto standard in the form of the S-100 bus, and the first programming language for the machine was Micro-Soft's founding product—Altair BASIC.
In 1969 an engineer, working at the Air Force Weapons Laboratory at Kirtland Air Force Base in New Mexico—Henry Edward Roberts (born 1942), together with 3 other colleagues decided to use his electronics background to produce small kits for model rocket hobbyists. Therefore they founded Micro Instrumentation and Telemetry Systems (MITS) in Roberts' garage in Albuquerque, New Mexico, and started selling radio transmitters and instruments for model rockets. Rocket kits didn't achieve a market success, this later on MITS switched to calculator kits, which appeared to be more successful venture.
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And The Rest as they say is History