Author Information:

Hywel Carver is a computer whizz and maths fan who has a 1st class Master of Engineering degree from University of Cambridge and is a Master of Research in Modelling Biological Complexity at UCL. He has founded two technology software companies, the latest of which allows blind people to use the internet effectively. He was series champion on Only Connect and reached the semi-finals of University Challenge, and has also been on Who Wants to be a Millionaire and Eggheads. He wrote Coding Unlocked for Scholastic which teaches children about the essential basics of coding.