Miguel Najdorf, Polish-Argentinian chess player and theoretician (d. 1997)

Miguel Najdorf (born Mojsze Mendel Najdorf) (15 April 1910 – 4 July 1997) was a Polish-Argentinian chess grandmaster. Originally from Poland, he was in Argentina when World War II began in 1939, and he stayed and settled there. He was a leading world player in the 1940s and 1950s, and is also known for the Najdorf Variation, one of the most popular chess openings.