Who is the British hangman who developed a new hanging technique and demonstrated it first at the Lincoln Castle in Lincoln, England?
William Marwood William Marwood (1818 – 4 September 1883) was a hangman for the British government. He developed the technique of hanging known as the "long drop".
Albert Pierrepoint Albert Pierrepoint ( ; 30 March 1905 – 10 July 1992) was a long-serving hangman in England. He executed at least 400 people, including William Joyce ("Lord Haw-Haw") and John Amery. In Germany and Austria, after the Second World War, he executed some 200 people who had been convicted of war crimes. In England, Pierrepoint hanged Timothy Evans for a crime committed by his neighbour John Christie, who was also hanged by Pierrepoint.