Sir Basil Thomson (1861-1939) was educated at Eton and New College Oxford. After spending a year farming in Iowa, he married in 1889 and worked for the Foreign Service. This included a stint working alongside the Prime Minister of Tonga (according to some accounts, he was the Prime Minister of Tonga) in the 1890s followed by a return to the Civil Service and a period as Governor of Dartmoor Prison. He was Assistant Commissioner to the Metropolitan Police from 1913 to 1919, after which he moved into Intelligence. He was knighted in 1919 and received other honours from Europe and Japan, but his public career came to an end when he was arrested for committing an act of indecency in Hyde Park in 1925 – an incident much debated and disputed.

His eight crime novels featuring series character Inspector Richardson were written in the 1930’s and received great praise from Dorothy L. Sayers among others. He also wrote biographical and criminological works.