London, England, United Kingdom
Here lived three Prime Ministers: William Pitt Earl of Chatham 1708-1778 Edward Geoffrey Stanley Earl of Derby 1799-1869 William Ewart Gladstone 1809-1898 — Chatham House, 10 St James's Square, Westminster, SW1
Listen to the audio guide for Edward Smith-Stanley, William Ewart Gladstone, and William Pitt blue plaque Free on WIP — starts by itself when you arrive, even with the screen off