He belongs to the most important representatives of expressive figure painting. He lives and works alternately in Prague and Brnířov. He is the father of sculptor Lukáš Rittstein and Mikuláš ("Miki-discjockey").
National Gallery in Prague, Galerie hl. the city of Prague, the Czech Museum of Fine Arts in Prague, the Prague National Literature Memorial, regional galleries in the Czech Republic, the Ministry of Culture of the Czech Republic, Center G. Pompidou, Paris, the Albertinum in Vienna, private collections in the Czech Republic, Europe, the USA and Australia.
