Original sentence: In his prime he was considered one of the most brilliant technicians of his time.Russian classical pianist.Vladimir Samoylovych Horowitz (Russian: Владимир Самойлович Горовиц, Ukrainian: Володимир Самійлович Горовиць) October 1, 1903 – November 5, 1989) was a Ukrainian-born American classical pianist
Edited sentence: In his prime he possessed possibly the most extraordinary technique of any pianist of his time.Vladimir Samoylovych Horowitz (Russian: Владимир Самойлович Горовиц, Ukrainian: Володимир Самійлович Горовиць) October 1, 1903 – November 5, 1989) was a Ukrainian-born Russian classical pianist