Jack Tramiel

Jack Tramiel was a Polish-born American businessman and Holocaust survivor who built Commodore into one of the dominant forces of the home-computer era. He founded Commodore in 1955, starting with typewriter sales and repair and moving through adding machines and electronic calculators before steering the company into personal computers in the 1970s. His commercial instincts, more than any technical specialty, defined Commodore’s strategy and the market it competed in.

Tramiel’s central conviction was that computers should be affordable to ordinary people, summed up in his slogan that Commodore would build “computers for the masses, not the classes.” After the calculator business taught him the danger of depending on outside chip suppliers, he had Commodore acquire the chip maker MOS Technology in 1976, bringing the inexpensive 6502 processor in-house. That vertical integration let Commodore manufacture its own processors and custom chips and undercut competitors on price, the lever Tramiel used again and again.

He pressed that advantage hardest in the early-1980s home-computer price wars. Commodore drove the prices of the VIC-20 and Commodore 64 down aggressively, squeezing rivals such as Texas Instruments out of the consumer market. The strategy made the Commodore 64 affordable to a mass audience and helped it become the best-selling computer model in history, but the relentless price cutting also crushed margins across the industry and contributed to the instability that shook the home-computer business.

Tramiel left Commodore in early 1984 after a falling-out with the company’s chairman. Rather than retire, he acquired the consumer division of Atari, which had been battered by the video-game market collapse, and relaunched it. Under his ownership Atari produced the Atari ST, a 16-bit computer that competed with Commodore’s own Amiga, turning the rivalry between the two companies into a personal contest between Tramiel’s new firm and the one he had built.

As the Computer History Museum’s lecture marking the Commodore 64’s 25th anniversary recorded, with Tramiel himself among the participants, his blend of cost obsession, vertical integration, and mass-market ambition was decisive in putting affordable computers into millions of homes. He is remembered as one of the defining and most combative figures of the personal-computer industry’s formative years.

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Last verified June 8, 2026