George Harcourt Vanden-Bampde-Johnstone, 3rd Baron Derwent FRSA (22 October 1899 – 13 January 1949), was a British author, diplomat and Liberal politician.

[4] Derwent was educated at Sandroyd School then Charterhouse and Merton College, Oxford where he won the Newdigate Prize in 1920.

[3] On leaving Merton, he joined the diplomatic service and served as an honorary attaché from 1929 at Warsaw, Brussels and Madrid.

At the start of the Second World War, he was in Bern before he returned to the United Kingdom in 1942 to serve in the Royal Air Force until 1944.

[6] Upon his death in Paris on 13 January 1949, aged 49, on his way back from a health visit to Switzerland, he was succeeded by his younger brother Patrick as they had no children.