More Russian art, this time a selection of works by El Lissitzsky. Living from 1890 to 1941 he worked in Germany almost as much as he did in Russia. Part of the Suprematism movement and quite avant-garde.

"New Man" from the "Prouns" series. 1923.
“New Man” from the “Prouns” series. 1923. In the public domain. via http://www.designishistory.com/1920/el-lissitzky/
"Proun." ca. 1922-1923.
“Proun.” ca. 1922-1923. Gouache and graphite on paper. Image © artprice.com. Fair use license. via https://www.artprice.com/marketplace/760478/el-lissitzky/painting/proun
Preliminary sketch for a poster. 1920.
Preliminary sketch for a poster. 1920. Image via wikiart.org. In the public domain. via https://www.widewalls.ch/artist/el-lissitzky/
"Basic Calculus." 1928.
“Basic Calculus.” 1928. Image via wikiart.org. In the public domain. via https://www.widewalls.ch/artist/el-lissitzky/
"Beat the Whites with the Red Wedge." 1919.
“Beat the Whites with the Red Wedge.” 1919. In the public domain. via https://www.architectural-review.com/essays/reputations-pen-portraits-/el-lissitzky-1890-1941/10023705.article
"Yacht Club." 1925.
“Yacht Club.” 1925. Image via artribune.com. In the public domain. via https://www.widewalls.ch/artist/el-lissitzky/

Geometrics in cheerful paintbox hues by Russian artist Kazimir Malevich. Living from 1879 to 1935, he was a member of the Suprematism school.

‘‘Suprematism, 18th Construction." 1915.
‘‘Suprematism, 18th Construction.” 1915. Image © Clemens Toussaint/Heirs of Kazimir Malevich. Fair use license. via https://www.nytimes.com/2016/05/26/arts/international/celebrating-kazimir-malevich-a-pioneer-in-abstract-art.html
"Supremus Number 55." 1916.
“Supremus Number 55.” 1916. Collection of the Krasnodar Territorial Art Museum. Courtesy of the Tate Modern. Fair use license. via https://www.forbes.com/sites/jonathonkeats/2014/08/07/banksys-ancestor-this-tate-exhibit-shows-how-soviet-painter-kazimir-malevich-pioneered-street-art-in-1920/#1f996c231d72
"Composition." 1915.
“Composition.” 1915. Collection of the Ekaterinburg Museum of Fine Arts, Ekaterinburg. Photo © Ekaterinburg Museum of Fine Arts. Fair use license. via https://hyperallergic.com/486591/victory-over-the-sun-russian-avant-garde-and-beyond-israel-museum/?utm_medium=email&utm_campaign=Weekend%20030319%20-%20Jack%20Bush&ut
Undated.
Undated. © State Russian Museum, Saint Petersburg. Fair use license. via https://arthive.com/kazimirmalevich/works/474881~Suprematist_construction_of_color