Sidney Cutner was born in Russia in 1903 and immigrated with his parents in 1906. Cutner's path to music composition and orchestration is unclear, but by 1934 he was working in Hollywood as an independent composer and orchestrator for both smaller and major studios. Between 1934 and 1970, Cutner composed or orchestrated music for almost 400 film titles. He died in 1971.
Source:
Find a Grave, database and images (https://www.findagrave.com/memorial/175807147/sidney-cutner : accessed 07 October 2021), memorial page for Sidney Cutner (16 Apr 1903–20 Sep 1971), Find a Grave Memorial ID 175807147, ; Maintained by Laurie (contributor 2811407) Unknown.