The first electronic hobbyist to take an interest in building computers, whom we know of, was Stephen Gray. In 1966, he founded the Amateur Computer Society (ACS), an organization that existed mainly to produce a series of quarterly newsletters typed and mimeographed by Gray himself.

building computers of

Genesis 1:5 (Wikipedia) Genesis 1:5 is the fifth verse in the first chapter of the Book of Genesis, part of the Genesis creation narrative. In this verse, God names the newly created day and night. Interpretation of this passage hinges on the interpretation of Genesis 1:4. “Evening and morning” bring the narrative of the first day of Creation to a close, and there are also multiple interpretations of this phrase.

From ACS to Altair: The Rise of the Hobby Computer (technichistory.com) A certain pattern of technological development recurred many times in the decades around the turn of the twentieth century: a scattered hobby community, tinkering with a new idea, develops it to the point where those hobbyists can sell it as a product. This sets off a frenzy of small entrepreneurial firms, competing to sell to other hobbyists and early adopters. Finally, a handful of firms grow to the point where they can drive down costs through economies of scale and put their smaller competitors out of business. Bicycles, automobiles, airplanes, and radio broadcasting all developed more or less in this way.