Minimalism emerged in the 1960s as an reaction against Abstract Expressionism. It emphasized geometric forms, industrial materials, hard edges, and a reduced palette of solid colors. Key influences included the Bauhaus, De Stijl, and Russian Constructivism movements. Notable minimalist artists included Carl Andre, Robert Morris, Sol LeWitt, Frank Stella, Dan Flavin, and Donald Judd, who created sculptures and installations focusing on the essence of materials and forms.