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Thomas Watson Jr.'s 1963 memo on the CDC 6600

Original: Watson Jr. memo about CDC 6600 (1963)

IBM chief Thomas Watson Jr.'s 1963 internal memo about Control Data's CDC 6600, then the world's fastest computer, is drawing fresh attention. In it he warned staff that the Super Computer Division was losing its way compared with the small, focused team led by Seymour Cray. Commenters are revisiting the memo as a classic example of honest competitive self-assessment and of how a small engineering team outpaced a corporate giant.

Why now: A rare primary document showing IBM leadership reacting to losing the supercomputing lead in 1963 has circulated again, appealing to tech history readers.

Thomas Watson Jr.IBMControl Data CorporationSeymour CrayCDC 6600

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• Watson Jr. memo about CDC 6600 (1963) · mooreds · 34

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