Balters Izidor Yoselevich (14.04.1931, Riga) — sound engineer, senior technologist at the Riga Film Studio. Born into a furrier's family. In 1941 was evacuated with his mother to Bashkiria, returning to Riga in November 1944. Studied through grade 5 in Bashkiria, and grades 6 through 10 at Riga Secondary School No. 22. In 1950 enrolled in the Electrical Engineering Faculty of the Leningrad Institute of Film Engineers, graduating in 1955. From 1 August 1955 — engineer in the sound department, head of the testing laboratory for filming equipment, sound operator; from 1 December 1961 — senior technologist. During his work at the Riga Film Studio, made numerous valuable improvement proposals for the technological process and equipment.

I. Bazhul