Bloch is considered one of the leading linguists of the post-Bloomfieldian school, active in the 1940s and 1950s, who concentrated on the description of  synchronic language systems and on the development of a methodology for collecting and analyzing language data.
Bloch is regarded as a key figure in the post-Bloomfieldian school, which emphasized the study of synchronic language systems and the development of rigorous methodologies for linguistic analysis. This aligns with his focus on describing languages at a particular moment in time and creating a systematic approach to data collection and analysis.