"That's cool," he said. "What's a Fibonacci?"
I explained that Fibonacci was actually a mathematician philosopher in Italy who hailed from Pisa and who lived in the late twelfth and early thirteenth century.
He developed an important number sequence that greatly affected our knowledge of proportional relationships.
In fact Renaissance artists like Leonardo and Vermeer used the number .618 derived from Fibonacci in the creation of their masterpieces and it was also used in music.
I explained that the number sequence was built on a group of numbers starting at 0 and 1 that built on the sum of the preceding two numbers. So;