1452 – Leonardo da Vinci, one of the greatest artists, inventors and engineers in history, was born near the Tuscan town of Vinci.
http://www.bbc.co.uk/history/historic_figures/da_vinci_leonardo.shtml
1892 – The Edison General Electric Company and the Thomson-Houston Company merged to form the General Electric Company, manufacturer of dynamos and electric lights.
http://www.ge.com/innovation/timeline/eras/inspiration_to_industry.html
http://edison.rutgers.edu/list.htm
1977 – The first West Coast Computer Faire took place in Palo Alto, California. The star of the show would turn out to be the Apple II. The computer featured a built-in keyboard, 16 kilobytes of memory, BASIC, and eight expansion slots all for $1,300.
http://www.computerhistory.org/tdih/April/15/
Read Tom’s science fiction and other fiction books at Merritt’s Books site.