Dennis Hayes

Dennis Hayes (born 1950) was the founder of Hayes Communications a maker of modems mostly known for introducing the Hayes command set which was subsequently used in most modems produced to this day.

In the 1970s he aquinted Dale Heatherington (born 1948) at National Data Corporation in Atlanta. Together they developed and marketed the first high-quality IBM PC modem, and built the company named Hayes Communications around it. While Heatherington left the company early to retire, Hayes ran the company until it filed for bankruptcy in 1998.

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• Modem mogul's path diverge