Andrei Gromyko
With respect to "Ostpolitik", Bahr's field of work was mostly behind the curtains to prepare treaties. This secrecy was broken once, however. Bahr was in Moscow holding talks with Andrei Gromyko, and materials from these talks found their way, via an unknown leak, to the tabloid newspaper "Bild". On July 1, 1970, they appeared in two issues. This unauthorized publication became known as the "Bahr Paper".