This study tries to examine the position of Jiří Haller in the context of Czech linguistics, or more precisely in the context of the development of Czech research of language culture. The first chapter analyzes the work of Jan Gebauer, Josef Zubatý and Václav Ertl, Le. the work of Haller's predecessors. The goal is to find joint aspects of theirs approach to the language culture. The second chapter is concerned with the background of Haller's professional work, mainly with the study entitled "Problém jazykové správnosti", which summarizes Haller's early theoretical attitude. The third chapter analyzes the dispute over literary language; it offers a complex survey of those debates and tries to critically evaluate particular polemic appearances. The fourth part examines other works of Jiří Haller, Le. his activities after 1932. The main goal of the study is to revise traditional opinions on the personality of Jiří Haller and to present a more realistic view on his linguistic appearance and his work
