Sandler (Zandler) Isaac (05(10).07.1904, Viļaka, Vitebsk Governorate — 05.12.1972, Riga) — teacher. In 1922–29, studied at the mathematics and natural science faculty of the State University of Latvia; from spring 1929, taught at Jewish secondary educational institutions. Received his university diploma and master's degree in physics and mathematics in May 1932 after passing academic examinations and defending his thesis. In 1934, became a fully qualified secondary school teacher. Taught mathematics, physics and cosmography at I. Raukhvarger's Private Jewish Secondary and Primary Gymnasium in Riga. In 1940, was appointed director of Riga 18th Secondary School. In 1941–42, was in evacuation, teaching physics and mathematics in Luza (Kirov Oblast). Most of his family remained in Latvia, unable to evacuate, and was exterminated by local fascists and the Germans. In 1942, was mobilised into the 201st Latvian Rifle Division, fought until 1944; after being wounded, came to Kirov and worked at a military enterprise. From 1945 until his retirement in 1963, taught physics and mathematics at the Riga River School and at Riga 13th Secondary School. Was preparing to emigrate to Israel together with his son Ben-Zion's family. Wife — E. Sandler, teacher.

B. Waldman