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September 17, 1998

RAMAC DISK DRIVE INVENTOR DIES AGED 92

By CBR Staff Writer

Reynold Johnson, generally credited as the inventor of the computer disk drive, died on Tuesday, aged 92. Johnson developed IBM Corp’s RAMAC 350 disk drive in the mid 1950s – RAMAC stands for Random Access Method of Accounting Control, a key storage technology which was the basis for the subsequent computer storage industry. Johnson also produced the prototype of the half-inch video cassette tape while working on a temporary project at Sony Corp.

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