Ossip Samoilovich Bernstein was a Russian and French chess player and businessman. He was one of the inaugural recipients of the title of International Grandmaster from FIDE in 1950.
Grandmaster is a title awarded to chess players by the world chess organization FIDE. Apart from World Champion, Grandmaster is the highest title a chess player can attain. Once achieved, the title is
Siegbert Tarrasch (1862–1934)
Akiba Rubinstein (1880–1961)
Jacques Mieses (1865–1954), one of the first FIDE Grandmasters