In our country, some considered him close to Adolf Hitler, who came to his senses in time and broke with the Fuhrer, others considered him a British officer from the Intelligence Service. And those abroad were sure: he was not only a major Soviet intelligence officer, but also an analyst to whom the Soviet leadership listened... Ernst Henry’s books, which warned of the danger of Nazi Germany and of impending trials, became an event in the pre-war world. But who is this Ernst Henry? His fate - a mirror of the dramatic events of the twentieth century - is full of incredible adventures. And Leonid Mlechin talks about this for the first time in his new book.