Founded in 1957 by William Norris
, and Seymore Cray
built some of the first `super computers
'; among them, the CDC 6600
and CDC 7600
. They were also players in academic computing and peripherals.
In the 1960's CDC diversified into data processing and financial services.
Cray left the company in 1972 and founded Cray Research the next year.
Norris retired from the company in 1986.
In 1992 after considerable financial difficulties the company was renamed Ceridian Corporation
,and spun-off its computer business as Control Data Systems,Inc.
There is a good history of CDC at: