Stefan Gierowski (born 21 May 1925 in Czestochowa) is a Polish painter and an avant garde artist of post-war Poland.

For many years he was a professor at the Academy of Fine Arts in Warsaw where he earned numerous distinctions. He abandoned representational and realist painting midway through the 1950s and devoted himself entirely to abstract and optical effects.

Acknowledging the concreteness of materials and colors, the artist, by his own admission, is mostly intrigued by the dual nature of light, how light is enclosed within a painting and yet somehow escapes it.

According to the artist, each painting has a structure and a framework based on physical laws until it leaves the studio and becomes an enigma, at the dis...