Task: Explanation
Input (English): Vladimir Iosifovich Levenshtein (Russian: Влади́мир Ио́сифович Левенште́йн ; ] ; born 1935) is a Russian scientist who has done research in information theory, error-correcting codes, and combinatorial design. Among other contributions, he is known for the Levenshtein distance and a Levenshtein algorithm, which he developed in 1965. Question: Anatoly Karatsuba and Vladimir Levenshtein, are of which nationality? Answer: Russian
Output (English): Vladimir Iosifovich Levenshtein Russian: Влади́мир Ио́сифович Левенште́йн ;  ; born 1935 is a Russian scientist who has done research in information theory, errorcorrecting codes, and combinatorial design.