Expressionism emerged simultaneously in various cities across Germany as a response to a widespread anxiety about humanity’s increasingly discordant relationship with the world and accompanying lost feelings of authenticity and spirituality. In part a reaction against Impressionism and academic art, Expressionism was inspired most heavily by the Symbolist currents in late nineteenth-century art. Vincent van Gogh, Edvard Munch, and James Ensor proved particularly influential to the Expressionists, encouraging the distortion of form and the deployment of strong colors to convey a variety of anxieties and yearnings. The classic phase of the Expressionist movement lasted from approximately 1905 to 1920 and spread throughout Europe. Its example would later inform Abstract Expressionism, and its influence would be felt throughout the remainder of the century in German art. It was also a critical precursor to the Neo-Expressionist artists of the 1980s.
Source: The Art Story – Modern Art Insight. www.theartstory.org