Reynold B. Johnson
#274,267 Most Popular
Numerology: 3About
Inventor and computer pioneer who invented the first computer hard disk drive while working for IBM in 1956. He also invented the videocassette tape while worming for Sony.
Before Fame
He developed the technology to convert pencil-marked card to be converted to punch cards readable by computers, which became popular in both the private and public sector businesses.
Trivia
The first disk drive he built was made up of 50 double-sided magnetic disks, each 24 inches in diameter, and together weighing a ton; it stored 5 megabytes of data.
Family Life
He had a daughter and two sons with his wife, Beatrice.
Associated With
President Ronald Reagan awarded him the the National Medal of Technology in 1986 .
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