About Jan Kubíček
Jan Kubíček (30 December 1927 – 14 October 2013) was a Czech painter and printmaker, and one of the most radical Central European exponents of constructivist and concrete art. He also spent more than a decade illustrating children's books for Czechoslovakia's main publishing house Albatros and designed iconic film posters and book covers throughout the 1960s. Jan Kubíček was a member of the Czech designers' group Hollar, contributed to exhibitions of Czech constructivism from the late 1960s, and concomitantly was involved with Klub Konkretistov. Ladislav Daněk of the Olomouc Museum of Art relates, "Jan Kubíček substantially influenced Czech post-war.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.