Max Aitken, 1st Baron Beaverbrook, British businessman and politician, Chancellor of the Duchy of Lancaster (born 1879)

William Maxwell Aitken, 1st Baron Beaverbrook, was a Canadian-British newspaper publisher and backstage politician who was an influential figure in British media and politics of the first half of the 20th century. His base of power was the largest circulation newspaper in the world, the Daily Express, which appealed to the conservative working class with intensely patriotic news and editorials. During the Second World War, he played a major role in mobilising industrial resources as Winston Churchill's Minister of Aircraft Production.

The Chancellor of the Duchy of Lancaster is a ministerial office in the Government of the United Kingdom. Excluding the prime minister, the chancellor is the highest ranking minister in the Cabinet Office, immediately after the prime minister, and senior to the Minister for the Cabinet Office. The role includes as part of its duties the administration of the estates and rents of the Duchy of Lancaster.