6015224 Archibald Sinclair, 1st Viscount Thurso, British Liberal politician and Secretary of State for Air during World War II (photo) by English Photographer, (20th century); Private Collection; (add.info.: Archibald Sinclair, 1st Viscount Thurso, British Liberal politician and Secretary of State for Air during World War II. Illustration from The Second Great War, A Standard History, Volume Five (The Waverley Book Company Ltd in association with The Amalgamated Press Ltd, London, c1946).); 穢 Look and Learn.