James Harold Wilson, Baron Wilson of Rievaulx, was a British statesman and Labour Party politician who served as Prime Minister of the United Kingdom twice, from October 1964 to June 1970 and again from March 1974 to April 1976. He was the Leader of the Labour Party from 1963 to 1976, and was a Member of Parliament (MP) from 1945 to 1983. Wilson is the only Labour leader to have formed administrations following four general elections.

The Royal Statistical Society (RSS) is an established statistical society. It has three main roles: a British learned society for statistics, a professional body for statisticians and a charity which promotes statistics for the public good.