He originally wrote stories for children and pieces for Soviet radio and television as well as screenplays.
It was not known until after he left the Soviet Union, in 1978 by way of Austria, that he had written Practical Metaphysics and Metapolitics under the pseudonym Andrei Moscovit.
The writers who were first presented by Hermitage include Sergei Averintsev, Vasily Aksyonov, Fridrikh Gorenstein, Lev Losev, Anatoly Naiman, Ernst Neizvestny and Mark Popovsky [ru].
"[2] However, his books also have another characteristic, noted by Yakov Gordin [ru] in his foreword to the Russian edition of the novel Arkhivy Strashnogo Suda (The Judgment Day Archives): "The real hero of Yefimov's prose has always been human passion.
Born in Moscow in 1937, Yefimov died at home in Pennsylvania on August 12, 2020, aged 83.