In the early days of spreadsheets, VisiCalc and Lotus 123 were first to market.

FORBES: 3 Keys to Competing

Atari was the first video game, Visicalc the first desktop spreadsheet, and Mosaic the first Internet browser.

FORBES: Imitation As A Source Of Innovation

"I'm not rich because I invented VisiCalc, but I feel that I've made a change in the world, " he said in 1985.

FORBES: Pioneers Die Broke

Sixteen years ago, Massachusetts-based VisiCorp was a major software company, having fueled the PC revolution by commercializing the worlds first spreadsheet, VisiCalc.

FORBES: Net gains

VisiCalc, the first spreadsheet, was the killer app for personal computers.

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Dan Bricklin created the first spreadsheet program, VisiCalc, in 1979.

FORBES: Pioneers Die Broke