Notable Figures in Computer Development

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Across
  1. 4. CoFounder of Apple
  2. 5. Invented the first mechanical addition/subtraction machine
  3. 8. Inventor of the slide rule
  4. 13. Collaborated in the invention of the ____-Berry Computer (ABC) which used binary math
  5. 15. Inventor of Binary Arithmetic and ____'s Wheel
  6. 16. Inventor of the ____ Loom and paper punch programming
  7. 17. The first programmer, used the Analytic Engine to translate Italian and calculate Bernouli numbers
  8. 19. Founder of Microsoft
  9. 20. Creator of Plan Calculus, the first algorithmic programming language
Down
  1. 1. Invented the Analytic engine. His designs could not be manufactured during his time
  2. 2. Invented a tabulation machine that uses punch cards to help the Census Bureau
  3. 3. Invented logarithms. Inscribed on wood, they were called ____'s Bones
  4. 6. Designed and built the Apple 2
  5. 7. His ____an Algebra is the basis of digital computer circuits
  6. 9. Improved the Bouchon Loom using more durable punch cards
  7. 10. Coined the term "Debugging" while working on the Mark 1
  8. 11. CoFounder of Intel. Proposed ____'s Law in reference to the increasing use of transistors
  9. 12. Improved upon both previous punch-loom designs using a loop of punched cards
  10. 14. Inventor of single-wire telegraph and co-inventor of ____ Code
  11. 18. Constructed the Automatic Sequence Controlled Calculator, or Mark 1