John Russell is a British politician who served as the Prime Minister of the United Kingdom from 1846 to 1852. He was a member of the Whig Party and is known for his efforts to reform the British electoral system and his support for free trade. Russell also played a key role in the repeal of the Corn Laws, which were tariffs on imported grain. He was a strong advocate for religious freedom and was involved in various social and political reforms during his time in office.