He was a watchmaker named Rodolph Stadler, who had slain a Persian on suspicion of intrigue with his wife.
Antoine was a self taught watchmaker and a brilliant inventor.
The son of a goldsmith, he learned the trade of a watchmaker at Flensburg, and exercised it at Berlin and Tondern, 1818-1820.
He came to London in the 1930s and settled in the East End and became a watchmaker.
During the investigation a French Protestant watchmaker, Robert Hubert, confessed to having deliberately started the fire at the bakery with 23 conspirators.