Major Martin's original name is Glyndwr Michael (January 4, 1909 – January 24, 1943). Glyndwr Michael was born in Aberbargoed in Monmouthshire in south wales.
His father was a coal miner; he committed suicide when Michael was 15; his mother also died when he was 31. He worked as a gardener and laborer; he later left for London after being depressed and homeless.
He lived on the street in London. He later died at age 34 in St. Pancras Hospital from rat poison, which was injected in a bread crusts to attract rats. After his death, his body was used to deceive the German intelligence by the British security service.
A briefcase was placed on his body to deceive the German into thinking the British were planning to attack Greece and Sardinia rather than Sicily.