Person Open DS/UK/3415 Posonby; Arthur Augustus William Harry (1871-1946); 1st Baron Ponsonby of Shulbrede; British politician, writer, social activist Posonby Arthur Augustus William Harry 1871-1946 British politician, writer, social activist Male

Arthur Augustus William Harry Ponsonby, 1st Baron Ponsonby of Shulbrede (16 February 1871 – 23 March 1946) was a British politician, writer, and social activist. He was the third son of Sir Henry Ponsonby, Private Secretary to Queen Victoria, and the great-grandson of Frederick Ponsonby, 3rd Earl of Bessborough. Frederick Edward Grey Ponsonby, 1st Baron Sysonby, was his elder brother. Lord Ponsonby is possibly best remembered for the statement: "When war is declared, truth is the first casualty", which he made in his book Falsehood in Wartime: Propaganda Lies of the First World War (1928). International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) 2nd edition - ICA 2004 ISBN 2-9521932-2-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 Yes RAHSkeyte 12/12/2012 Rachael.Fragola 3/1/2022 a761aba3-1557-404e-96cf-db3195b2ed77