1925 Chippewa Falls [USA] † 1996

Cray is known as the father of supercomputers because he designed a series of computers that were the fastest in the world for decades.

He was one of the principal designers of the UNIVAC 1103 computer.
Later, along with other engineers, he founded the company CDC (Control Data Corporation), for which he built the CDC 1604, one of the first commercial computers to use transistors instead of vacuum tubes.
In 1972, he founded Cray Research, which produced supercomputers on demand.