alexander george thynn, 7th marquess of bath (6 may 1932 – 4 april 2020), styled viscount weymouth between 1946 and 1992, was an english politician, artist, and author. he was list at 359th in the "sunday times rich list 2009" with a wealth of £157 million. he was born in london to henry thynne, 6th marquess of bath and daphne fielding. from 1992 to 2020, he was the marquess of bath.