Famous people in computer history

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Across
  1. 3. marketed the apple-1
  2. 6. a Scottish mathematician who made a discovery in logarithms in 1614
  3. 7. designed one of the first electromechanical machines
  4. 8. created a programming language named after him
  5. 9. designed the step reckoner
Down
  1. 1. made the first binary data storage and memory devices
  2. 2. invented the Jacquard loom
  3. 4. one of the founders of Microsoft
  4. 5. found the first computer 'bug'