Radoslav Kratina: Sculptor of Kinetic Geometry Radoslav Kratina (1946-2018) was a Czech sculptor and painter whose distinctive approach to concrete art—characterized by geometric forms infused with movement—established him as a pivotal figure in the Czechoslovakian avant-garde. Born in Prague, Kratina’s artistic journey began amidst a rich cultural landscape shaped by the Bauhaus influence and the burgeoning explorations of abstractio…