Arnold Davydovich Margolin – was a Ukrainian diplomat, lawyer, active participant in Ukrainian and Jewish community and political affairs; attorney who became world-famous as the defense counsel for Mendel Beilis in the notorious Jewish blood libel trial in Kyiv from 1911 to 1913. He was a justice of the Supreme Court of Appeals of Ukraine, Undersecretary of State of Ukraine and a member of the Ukrainian delegation to the Versailles Peace Conference between 1918 and 1919.
