Jiří Kolář was born on September 24, 1914 in Protivín. Kolář is a Czech poet and artist, and an autodidact. Co-founder and theorist of ArtGroup 42, member of Umělecká beseda. From 1980 to 1999 he lived in Paris, then in Prague. Since the 1960s, he has been involved in the program of collage, utilizing and later developing its modified principles (chiasmage, fly-over, interleaves) and discovered the "rollage".