Konstanty Kietlicz-Rayski: A Polish Master of Poster and Painterly Vision Born in Warsaw in 1890, Konstanty Kietlicz-Rayski emerged as a pivotal figure in early 20th-century Polish art, primarily recognized for his striking posters and evocative paintings. His career, tragically cut short by the tumultuous years of World War II, reflects both the artistic ferment of the era and the profound challenges faced by Polish artists under occ…