Jewish, Russian-born secret agent employed by Scotland Yard and the British Secret Service Bureau. He was known as the Ace of Spies.
At the age of 19, after being arrested, he faked his own death and fled to Brazil.
He is said to have spied for four different nations.
He married Pepita Bobadilla, an actress, in 1923.
Ian Fleming, the creator of James Bond, was inspired by the life of Sidney Reilly.