Ada was a 19th century mathematician and writer chiefly known for her work on Charles Babbage’s proposed mechanical general-purpose computer, the Analytical Engine. She is believed by some to be the first to recognise that the machine had applications beyond pure calculation, and to have published the first algorithm intended to be carried out by such a machine. As a result, she is often regarded as the first to recognise the full potential of computers and as one of the first to be a computer programmer.

She is also the inspiration behind Ada Lovelace Day.

Ada Lovelace Day was founded by Suw Charman-Anderson in 2009 and aims to raise the profile of women in science, technology, engineering and maths by encouraging people around the world to talk about the women whose work they admire. This international day of celebration helps people learn about the achievements of women in STEM, inspiring others and creating new role models for young and old alike.