Landa Yakov (1860) — civic figure. Settled in Riga as a representative of the Brodsky sugar factories. Founder of the Riga branch of “Mefitsei Haskala.” In 1911, took over the Rivosh Gymnasium and directed it with great success for a number of years. Was one of the founders of the Jewish Club. At the beginning of Latvian independence, was a deputy of the People's Assembly and then of the Constituent Assembly. For many years — director of the Jewish education department.