The Russian writer of plays and short stories Anton Chekhov is best known for his plays The Seagull. Или А Russian writer of the plays and short stories Anton Chekhov is best known for his plays The Seagull.
Actually, the correct article usage in this sentence is "The Russian writer of plays and short stories Anton Chekhov is best known for his plays The Seagull." The indefinite article "a" is not appropriate in this context because we are referring to a specific Russian writer, Anton Chekhov.
Actually, the correct article usage in this sentence is "The Russian writer of plays and short stories Anton Chekhov is best known for his plays The Seagull." The indefinite article "a" is not appropriate in this context because we are referring to a specific Russian writer, Anton Chekhov.