Answer
Boris Akunin, the renowned Russian writer, is actually Grigori Chkhartishvili. Chkhartishvili adopted the pen name Akunin to separate his literary pursuits from his scholarly work. Akunin is widely celebrated for his historical detective novels, particularly the Erast Fandorin series, which has captivated readers worldwide with its intriguing blend of history, mystery, and adventure.