It was presented by Gordon Moore, co-founder of Intel, it states that in an integrated circuit the number of transistors is doubled after every two years with the prices getting half in this time. He observed that since the invention of transistors, about each year the amount of transistors is getting double while the cost is getting half with the time.
Diagrams

Originated from/Coined by
Dr Gordon Moore
Further Reading/ References
https://en.wikipedia.org/wiki/Moore%27s_law
