Walter Francis Montagu-Douglas-Scott, 5th duke of Buccleuch and 7th duke of Queensberry (1806–84)

Politician. MA, Cambridge, 1827. Lord privy seal, 1842–6. President of the Highland Agricultural Society, 1831–5 and 1866–9. President of the British Association for the Advancement of Science, 1867. Knighted, 1835. FRS 1833.