Summer, Autumn, Spring and Winter by Alphonse Mucha.
Alfons Maria Mucha (Czech pronunciation: [ˈalfons ˈmuxa] ( listen); 24 July 1860 – 14 July 1939), known in English as Alphonse Mucha, was a Czech Art Nouveau painter and decorative artist, known best for his distinct style. He produced many paintings, illustrations, advertisements, postcards, and designs.
Frantisek Kupka, L’eau (1907)
František Kupka (September 23, 1871 – June 24, 1957), also known as François Kupka, was a Czech painter and graphic artist. He was a pioneer and co-founder of the early phases of the abstract art movement and Orphic cubism (Orphism). Kupka’s abstract works arose from a base of realism, but later evolved into pure abstract art.
Karel Škréta„ Self portrait, 1647
Škréta was born and died in Prague. His full name was Karel Škréta Šotonovský ze Závořic. Karel learnt painting perhaps from one of the masters at the royal courtyard. He studied in Saxony and in Italy. According to Houbraken he painted portraits and lived together with the respected watercolor painter Willem Bouwer in Rome. He became a member of the Bentvueghels with the nicknameSlagzwaart or Slach-sweerd. According to the RKD he was the teacher of the Prague painter Johann Georg Heinsch (1640–1713).
Since 1638 he lived in Prague, where he worked on altarpieces for many churches, for example St. Thomas, St. Stephen or the Church of Our Lady in front of Týn.