CHASANOWICH, JOSEPH (1844–1919), Zionist; one of the founders of the Jewish National *Library in Jerusalem. Chasanowich was born in Grodno, Russia and studied medicine in Koenigsberg. He settled in Bialystok, where he worked for most of his life as a doctor, devoting particular attention to the poor. In 1883 he set out to settle in Ereẓ Israel, but was forced back at Smyrna because of a cholera epidemic. In 1890 he visited Ereẓ Israel as a member of a Ḥovevei Zion delegation headed by Samuel *Mohilever. Chasanowich became one of Theodor *Herzl's fervent disciples, and supported the *Uganda Scheme. During Herzl's lifetime, he represented Bialystok at the Zionist Congresses. In 1915 he was forced to move to Yekaterinoslav, where he died in the old-people's home. Chasanowich devoted a great deal of time to collecting
A. Yaari, Beit ha-Sefarim ha-Le'ummi re-ha-Universita'i bi-Yrushalayim (1942); D. Klementinowski, Dr. J. Chasanowich (Yid., 1956); S.H. Bergmann, in: Ha-Po'el ha-Ẓa'ir (Jan. 19, 1960); Kressel, Leksikon, 1 (1965), 780.