Miguel Najdorf was an Argentine chess player and one of the most prominent figures in chess during the 20th century. Born on April 15, 1910, in Warsaw, Poland, he emigrated to Argentina in 1929. Najdorf became a grandmaster in 1955 and was known for his deep understanding of chess strategy and his contributions to opening theory. Throughout his career, Najdorf participated in numerous international tournaments and was a prolific author, writing several books on chess. He was particularly famous for his work on the Sicilian Defense, a popular chess opening. Najdorf passed away on July 4, 1997, leaving a lasting legacy in the chess community.