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".
Karel Richard Richter Karel Richard Richter (29 January 1912 – 10 December 1941) was a German spy who was executed by hanging at Wandsworth Prison. Richter was captured on 14 May 1941 after parachuting into the United Kingdom during the Second World War. He was convicted of espionage at the Old Bailey on 24 October 1941, sentenced to death and hanged on 10 December 1941 at Wandsworth Prison.