Landau Grigory (Gapriel) Adolfovich (1877, St. Petersburg – 1941, Surmogsky Lagpunkt, Usollag, Molotov Region) - publicist, social activist.

Grigory Landau was the son of A.E. Landau. Graduated from the law faculty of St. Petersburg University (1902). Published in Russian-Jewish (‘Jewish Library’, “Voskhod”, ‘Jewish World’) and Russian periodicals. One of the founders of the Jewish Democratic Group (1904) and the Union for the Achievement of Full Equality for the Jewish People in Russia (1905). From the end of 1905, he was a prominent figure in the Cadet Party. At the same time, he worked at the OPE (in 1915-18 he was its chairman, and from 1920 he was a member of the Society's Council) and participated in the creation of the Higher School of Jewish Knowledge. In December 1917, he was elected a member of the Executive Committee of the Petrograd Jewish Community on the list of the ‘Jewish Democratic Group.’ In May 1918, he was head of the commission for convening a congress of Jewish communities in Moscow. He emigrated to Germany, where from 1921 to 1931 he was deputy editor of the Cadet newspaper Rul in Berlin and author of the article ‘Revolutionary Ideas in the Jewish Community’ in the collection Russia and the Jews (1924). In 1938, he emigrated to Latvia, settled in Riga, and collaborated with the newspaper Segodnya. In 1941, he was arrested by the NKVD of the USSR and expelled from Riga on 14 June 1941. Author of the book The Powerlessness of Nationalist Creativity. A Critique of the National Programmes of the Zionist and Jewish National Parties‘ (1907); ’Polish-Jewish Relations‘ (1915); ’Twilight of Europe‘ (1923); ’Epigraphs“ (1927).