Archibald_Sinclair,_1st_Viscount_Thurso--John_Boyd_Orr,_1st_Baron_Boyd-Orr

Archibald Henry Macdonald Sinclair, 1st Viscount Thurso, (22 October 1890 – 15 June 1970), known as Sir Archibald Sinclair between 1912 and 1952, and often as Archie Sinclair, was a Scottish politician and leader of the Liberal Party.