Augusta Ada King, Countess of Lovelace 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.

Luigi Federico Menabrea, later made 1st Count Menabrea and 1st Marquess of Valdora, was an Italian statesman, general, diplomat, and mathematician who served as the seventh prime minister of Italy from 1867 to 1869.