Russian and Latvian artist. Born in Riga. In the years of 1898 - 1899 he studied at the art studio of L. Dmitriyev-Kavkazskyi in St. Petersburg. Until 1920 he had worked in St. Petersburg and Moscow. Collaborated with magazines "Rodina", "Zvezda", and "Niva". He executed a lot of illustrations to the literary addenda of magazine ТNivaУ. He drew cartoons for the satirical magazine ТDukh vremeni (Spirit of Time)У and many others. Illustrated books for the Moscow publishers I. Sytin, A. Marks, and A. Stupin. He also worked in the field of advertising. He was a member and an exhibitor of the art circle "Sreda" (1900 - 1910). He was also a participant of Blanc et Noir exhibitions (Petersburg, 1903), "Art in books and posters" (St. Petersburg, 1911 - 1912), etc. After the revolution, he became the founder of the Soviet political poster and continued being engaged in book and magazine graphics. Over the years, he used different pseudonyms like "A. Petrov, "" Skif ","Aspid"and others. He took an active part in the exhibitions of the works of the Soviet artists. Since 1921 he had lived in Latvia, drew advertising art works and collaborated with Riga magazines. In 1939 he moved to Germany. In 1956, the State Museum of Latvian and Russian Art in Riga hosted the memorial exhibition of the artist. His works are kept in the Latvian National Art Museum in Riga, the State Museum of Modern Russian History in Moscow, the Russian State Library, the Perm Art Museum, and others.