References:

Jack S. Kilby – Biographical. NobelPrize.org. Nobel Media AB 2021. Fri. 23 Apr 2021.

https://www.nobelprize.org/prizes/physics/2000/kilby/biographical/

Dennis, Michael Aaron. "Jack Kilby". Encyclopedia Britannica, 4 Nov. 2020,

https://www.britannica.com/biography/Jack-Kilby.

No Author. Jack Kilby Quotes. Brainly Quote.

https://www.brainyquote.com/authors/jack-kilby-quotes