In Kazimir Malevich's greatest paintings, simple, flat, single-colored geometric shapes torque their white grounds, creating paradoxical abstractions that explore compression, expansion, deep ...

Founder of Suprematism: Kazimir Malevich (1879-1935) Image source, Getty Images. Image caption, A Malevich self-portrait, 1933. Born near Kiev, Ukraine in 1879 - then part of the Russian Empire.