The artist's name on the poster is not indicated. By assigning Artist Unknown to a poster it also could mean the artist used a chop mark whereby no signature is seen thus rendering the artist's identity anonymous.
The 1st Exemplary Typography Workshop was named in honor of Andrei Alexandrovich Zhdanov (1896-1948), a Soviet military leader and a senior member of the Politburo who died in 1948. Reportedly, Andrei Zhdanov controlled the atomic espionage division of the USSR and he was Josef Stalin's closest confidant.
Sovetskii Khudozhnik (Soviet Artist) was a publishing house that chiefly served the Artists’ Union of the USSR. The house was founded in Moscow in 1963 during a period of reorganization within the state publishing sector. Sovetskii Khudozhnik turned out albums, art reproductions, postcards and art books, catalogs, brochures and, posters. It also produced illustrated monographs on contemporary artists and collections. In the early 1990s, it was renamed Galart Publishing House.