context: His memoir of Alkan in his book Les Pianistes célèbres is nonetheless one of the most valuable sources for Alkan's biography.
source: Marmontel achieved renown as an effective and imaginative teacher.
reference_original: حقّق مارمونتيل شهرة كمدرس فعال ومبدع.
reference_flipped: حقّقت مارمونتيل شهرة كمدرسة فعالة ومبدعة.