Rubinstein is a surname of German and Yiddish origin, mostly found among Ashkenazi Jews; it denotes "ruby-stone". Notable persons named Rubinstein include: A–E. Akiba Rubinstein (1880–1961), Polish chess grandmaster. Amnon Rubinstein (1931-2024), Israeli scholar, politician and columnist. Anton Rubinstein (1829–1894), Russian pianist, composer and conductor, brother of Nikolai Rubinstein. Ariel Rubinstein (born 1951), game theorist at Tel Aviv University and New York University. Arthur Rubinstein (1887–1982), Polish-American pianist. Arthur B.
https://en.wikipedia.org/wiki/Rubinstein