The Right Honourable Archibald Henry Macdonald Sinclair, 1st Viscount Thurso, K.T., C.M.G., P.C.
- Born: 22 October 1890
- Died: 15 June 1970
Known as[]
- 1890-1912: Archibald Sinclair, Esq.
- 1912-1922: Sir Archibald Sinclair, Bt.
- 1922-1922: Sir Archibald Sinclair, Bt., C.M.G.
- 1922-1931: Sir Archibald Sinclair, Bt., C.M.G., M.P.
- 1931-1941: The Rt. Hon. Sir Archibald Sinclair, Bt., C.M.G., M.P.
- 1941-1945: The Rt. Hon. Sir Archibald Sinclair, Bt., K.T., C.M.G., M.P.
- 1945-1952: The Rt. Hon. Sir Archibald Sinclair, Bt., K.T., C.M.G.
- 1952-1970: The Viscount Thurso, K.T., C.M.G., P.C.
Education[]
- Eton College
- Royal Military College, Sandhurst
Offices[]
- Secretary of State for Scotland, 1931-1932
- Secretary of State for Air, 1940-1945
Lord Lieutenancies[]
- Lord Lieutenant of Caithness, 1919-1964
Peerage Titles[]
- Viscount Thurso, 1952
Chivalric Orders[]
- Companion of the Order of St Michael and St George, 1922
- Order of the Thistle, 1941
Privy Council[]
- Privy Councillor, 1931
Parliamentary Seats[]
- Member of Parliament for Caithness and Sutherland, 1922-1945
Party Positions[]
- Liberal Chief Whip, 1930-1931
- Deputy Leader of the Liberal Party, 1931-1935
- Leader of the Liberal Party, 1935-1945
- President of the Scottish Liberal Party, 1946-1965
| Preceded by: Sir Samuel Hoare, Bt. |
Secretary of State for Air 1940–1945 |
Succeeded by: Harold Macmillan |