Isabel Margaret de Madariaga (27 August 1919 – 16 June 2014) was a British historian who specialised on Russia in the 18th century and Catherine the Great. She published six books on Russia and is credited for changing the perception of Catherine the Great amongst Russian and Western scholars. **Source**: [Isabel de Madariaga](https://en.wikipedia.org/wiki/Isabel_de_Madariaga) on Wikipedia.