Robert Rosenthal was convicted of spying. A German who was convicted of treason at Middlesex Guildhall before Mr Justice Chaylemore on 6 July. Rosenthal had been arrested on board a ship just as it was leaving British waters. It was alleged at the trial, held 'in camera', that he had entered the country with the purpose of obtaining military and naval information which he was to take back to German intelligence. Hanged by Thomas Pierrepoint, and a new assistant called Robert Baxter. Rosenthal was the only spy convicted during the war to be hanged because he was tried by a civilian court. Eleven other spies listed above who were tried and convicted by the military were shot at the Tower of London. The names of other persons executed for Spying or Treason are as follows :- Roger Casement - 3rd August, 1916 Jose Waldeburg - 10th December, 1940 Carl Meier - 10th December, 1940 Charles Kieboom - 17th December, 1940 George Armstrong - 9th July, 1941 Robert Petter - 6th August, 1941 Karl Drucke - 6th August, 1941 Josef Jakobs - 14th August, 1941 Karel Richter - 10th December, 1941 Alphonse Timmerman - 7th July, 1941 Joe Key - 7th July, 1941 Duncan Scott-Ford - 3rd November, 1942 Johannes Dronkers - 31st December, 1942 Franciscus Winter - 26th January, 1943 Oswald John Job - 16th March, 1944 Pierre Neukermans - 23rd June, 1944 Joseph Van Hove - 12th July, 1944 John Amery - 19th December, 1945 William Joyce (Lord Haw-Haw) - 3rd January, 1946 Theodore Schurch - 4th January, 1946 Age:- 22 Date of Execution:- Thursday, 15th July, 1915 Location of Execution:- Wandsworth Hangman:- Thomas Pierrepoint Assistants:- Robert Baxter Tried At:- The Guildhall, Westminster, London Trial Dates:- 6th July, 1915 Trial Judge:- Not Known Crime:- Spying
