Yaffe Itskhak (29.07.1871, Grozny) ― doctor, historian, public figure. In 1896 he completed the medical faculty of the University of Yuriev (Dorpat), and settled in Riga. Secretary, later chairman, of the Zionist organization “Mefitzey-Haskala.” He took part in the Japanese War and the First World War. After the war he became a member of the Riga city council, and headed the health department. From 1925 ― director of the “Bikur Cholim” hospital. Chairman of the society of Jewish cooperatives. Besides his medical and public activities, he worked on history, writing “History of the Jews in the Baltic States” in two volumes. He organized a library in the reading room of the “Mefitzey-Haskala” society.