Shapiro Khaim (13.08.1881, Riga) — engineer, civic figure. Graduated from the Higher Technical School in Dresden. In 1908–1909, worked at the “Ivria” society, where he gave lectures on the emancipation of German youth. Actively participated in organising and working on the commission for the protection of the rights of Riga's Jewish population. During the war, worked at the refugee committee. In 1924, became one of the founders of the joint-stock company “Daat” (“Knowledge”), which published the Russian-language newspaper “Narodnaya Mysl” to defend Jewish interests. Member of the “Keren Hayesod” committee, for some time its honorary secretary. One of the most important founders of aid commissions. For many years worked as a librarian at the “Mefitsei Haskala” society, later as its treasurer.