- Wyrd Sisters (Wikipedia)
Wyrd Sisters is Terry Pratchett’s sixth Discworld novel, published in 1988. It re-introduces Granny Weatherwax of Equal Rites.
- Ada Lovelace (Wikipedia)
Augusta Ada King, Countess of Lovelace (née Byron; 10 December 1815 – 27 November 1852) was an English mathematician and writer, chiefly known for her work on Charles Babbage’s proposed mechanical general-purpose computer, the Analytical Engine. She was the first to recognise that the machine had applications beyond pure calculation.