History

Bletchley Park
https://bletchleypark.org.uk

Computer History Museum
https://www.computerhistory.org/

Enigma Code
https://www.iwm.org.uk/history/how-alan-turing-cracked-the-enigma-code

Historical Achievements in Electrical and Electronic Engineering Institute of Electrical and Electronics Engineers (IEEE)
https://en.wikipedia.org/wiki/List_of_IEEE_milestones