Notable People in CS History

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Across
  1. 2. Created the Electronic Numerical Integrator and Computer, which was the first general-purpose electronic digital computer.
  2. 4. Mathematician known for their invention of the slide rule.
  3. 6. Developed the architecture model for digital computers that forms the basis for most modern computers.
  4. 7. Invented the first integrated circuit.
  5. 9. Invented the first computer compiler known as A-0, a program that translated mathematical code into machine-readable code.
  6. 13. Proposed a law which makes the observation that the number of transistors in an integrated circuit doubles about every two years.
  7. 14. Developed a branch of algebra that is fundamental to digital circuit design and computer logic.
  8. 15. Invented the first mechanical calculator.
  9. 18. The original designer of IBM's Harvard Mark I, the United States' first programmable computer.
  10. 19. Invented random-access, coincident-current magnetic storage, which was the standard memory device for early digital computers.
  11. 20. Considered the inventor of binary arithmetic, which is the representational basis for today's digital computing.
Down
  1. 1. Developed one of the first general purpose computer programming languages known as Fortan.
  2. 3. Invented a machine known as the Bombe, which helped decipher German Enigma-machine-encrypted secret messages during World War 2.
  3. 5. Known for designing the Analytical Engine.
  4. 8. Invented the tabulating machine, which was an electromechanical machine that helped summarize information that was stored on punched cards.
  5. 10. Inventor of email.
  6. 11. Credited with inventing the world's first working programmable, fully digital automatic computer known as the Z3.
  7. 12. Invented the telecommunication method that uses dots and dashes.
  8. 16. Considered the world’s first computer programmer.
  9. 17. Played a critical role in popularizing an operating system known as Microsoft Windows, which had a significant impact on the development of the personal computer industry.