For Glyndwr Michael died a second time - a death that helped change the course of World War II.

After three months on ice in Hackney Morgue, his body was shipped off to the coast of southern Spain for an elaborate plot to fool the Nazis.

Intelligence officers Charles Cholmondeley and Ewen Montagu had painstakingly transformed the corpse into a soldier - the fictitious Captain William Martin - for whom they had spent months creating a plausible backstory.