Balázs was a moving force in the Sonntagskreis or Sunday Circle, the intellectual discussion group which he founded in the autumn of 1915 together with Lajos Fülep, Arnold Hauser, György Lukács and Károly (Karl) Mannheim.
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He is perhaps best remembered as the librettist of Bluebeard's Castle which he originally wrote for his roommate Zoltán Kodály, who in turn introduced him to the eventual composer of the opera, Béla Bartók.
Béla Balázs (Herbert Bauer, 1884–1949), Hungarian-Jewish film critic
He made additional translations into Italian of the writings of theorists of cinema, including Vsevolod Pudovkin, Sergej Mikhailovich Eisenstein, Rudolf Arnheim and Béla Balázs.
Béla Bartók | Bela Lugosi | Béla Tarr | Béla Fleck | Bela Fleck | Bela Crkva | Béla Kun | Béla Fleck and the Flecktones | Béla IV of Hungary | Béla Balázs | Bela B. | River Bela | Béla Bollobás | Bela Reka | Bela Palanka | Béla H. Bánáthy | Bela Crkva (Vojvodina) | Bela Crkva (disambiguation) | Bela B | Balázs Orbán | Spišská Belá | Jingle All the Way (Béla Fleck and the Flecktones album) | Dajos Béla | Béla Lugosi | Béla Károlyi | Béla Iványi-Grünwald | Bela Hubbard | Bela Duarte | Béla A. Bánáthy | Balázs Szokolay |
Herzog Blaubarts Burg ("Duke Bluebeard's Castle") (1963) is a film of the opera Bluebeard's Castle by the Hungarian composer Béla Bartók, written in 1911 to a symbolist libretto by the poet and later film theorist Béla Balázs.
The Sonntagskreis was founded in the autumn of 1915 by Béla Balázs, Lajos Fülep, Arnold Hauser, György Lukács, and Károly (Karl) Mannheim; in December of that year Balázs noted the success of the group in his diary.