William Albert St John Harmsworth was an English businessman who bought and established the fledgling Perrier brand of sparkling mineral water in France, designed its distinctive bulbous green bottle, and made it a huge success in the British Empire.

Cecil Bisshopp Harmsworth, 1st Baron Harmsworth LLD, was a British businessman and Liberal politician. He served as Under-Secretary of State for the Home Department in 1915 and as Under-Secretary of State for Foreign Affairs between 1919 and 1922.