Which Russian author wrote the novel that inspired the album Krieg und Frieden by Apparat?
Krieg und Frieden (Music for Theatre): Krieg und Frieden (Music for Theatre) is the 10th release for Sascha Ring as Apparat. Krieg und Frieden (Music for Theatre):  The album is a music adaption based on a score for a theatrical production of "War and Peace". War and Peace: War and Peace (pre-reform Russian: Война́ и миръ ; post-reform Russian: Война́ и мир , "Voyná i mir " ] ) is a novel by the Russian author Leo Tolstoy, which is regarded as a central work of world literature and one of Tolstoy's finest literary achievements.
Leo Tolstoy