Aron Nimzowitsch was a prominent chess player and theorist born in 1886 in Latvia. He is best known for his contributions to chess strategy and for being a key figure in the Hypermodernism movement, which emphasized controlling the center of the board with pieces rather than pawns. Nimzowitsch authored several influential books, including "My System," where he introduced concepts like overprotection and blockade. His innovative ideas have shaped modern chess theory, and he is remembered as one of the greatest players of the early 20th century, influencing many future generations of chess enthusiasts.