A. Kotov

Alexander Alexandrovich Kotov was a Soviet chess grandmaster, two-time world title candidate, and prolific author known for his influential books on chess strategy, including 'Think Like a Grandmaster'. He served in high positions within the Soviet Chess Federation and wrote extensively during the Cold War, earning recognition as one of the all-time greats in chess literature.

Tula, Russia Aug 12, 1913 Wikipedia
Chess Non-fiction Biography