César Klein: A Pioneer of Expressionist Synthesis César Klein (14 September 1876 – 13 March 1954) stands as a pivotal figure in German Expressionism, embodying its ambition to grapple with the anxieties and traumas of the early 20th century through visceral imagery and emotionally charged abstraction. Born in Hamburg, Germany, Klein’s formative years instilled within him a meticulous craftmanship honed by an apprenticeship under a mas…