Leopold Samuel Marks (24 September 1920 – 15 January 2001), MBE, was an English cryptographer during the Second World War. He headed the British codes office supporting resistance agents in occupied Europe for the secretive Special Operations Executive. After the war he became a playwright and screenwriter. Near the end of his life he published a highly regarded personal history of his experiences during the war: Between Silk and Cyanide.
The cache, not at the listed coordinates, may be found by solving the puzzle below.
Inspired also by Baktrak, the Obi Wan Kenobi of geocache puzzlers, Part 1 - punctuation not our strong point, but do look deeper, you might find an alternate version that may make more sense
