Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury, was a prominent British statesman who served as Prime Minister three times in the late 19th and early 20th centuries. He was known for his conservative political views and his strong advocacy for British imperialism. Salisbury played a key role in shaping British foreign policy during a period of significant global change, including the expansion of the British Empire and the emergence of new world powers. He was also a skilled diplomat and negotiator, and his policies had a lasting impact on the course of British history.