Reynold Johnson Complete Biography, History, and Inventions

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Born in 1906, Reynold Johnson was a remarkable American inventor, one of IBM’s most prolific inventors, specializing in electromechanical devices.

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Reynold Johnson was a remarkable American inventor, one of the IBM company’s most prolific inventors, specializing in electromechanical devices.

Who Was Reynold Johnson?

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Johnson held over 90 patents and was popularly regarded as the father of the hard disk drive, automatic test scoring equipment, microphonograph technology (a type of videotape), and talking books.

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What Did Reynold Johnson Invent?

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With Johnson’s background in data input, then mainly punched cards, programs were soon directed to automate the input function.

Why Did Reynold Johnson Invent the Hard Disk Drive?

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Early in the life of the new lab, Johnson became convinced that disks offered significant advantages over the other alternatives and, despite obvious unsolved problems, directed the laboratory in that direction.

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