1952 Paris [France]

Kahn is one of the four founders of Borland, created in 1983 when young Danish programmer Anders Hejlsberg reached an agreement with Philip Khan to sell the Pascal compiler that Anders had created for personal computers. Turbo Pascal was a compiler with an “environment” concept that was revolutionary at the time.
The company would be acquired by Micro Focus in 2009.
Then came:
Starfish Software, founded in 1994 (acquired by Motorola in 1998), LightSurf Technologies, founded in 1998 (acquired by VeriSign in 2005),
and Fullpower Technologies, founded in 2003.