Reynold Johnson
Name: Reynold B. Johnson Born: July 16, 1906 Death: September 15, 1998 (Age: 92) Computer-related contributions American inventor and computer pioneer known as the father of the disk drive. IBM introduced the IBM Type 805 International Test Scoring Machine is introduced, giving rise to the familiar “fill-in-the-bubble” test score sheets (optical mark reading). The test-scorer, primarily designed by Reynold Johnson, uses the conductivity of pencil marks to sense correct and incorrect answers....