Archibald Henry Macdonald Sinclair, 1st Viscount Thurso,, known as Sir Archibald Sinclair between 1912 and 1952, and often as Archie Sinclair, was a Scottish politician and leader of the Liberal Party.
Sketch of Sinclair commissioned by the Ministry of Information in the Second World War period
Sir John George Tollemache Sinclair, 3rd Baronet was a Scottish landowner and Liberal politician who sat in the House of Commons from 1869 to 1885.
