Surrealism was an artistic movement that began in the early 20th century that explored the subconscious mind and dream imagery. Some key artists of this movement include Salvador Dali, Rene Magritte, and Giorgio de Chirico. They employed techniques like juxtaposition, scale manipulation, levitation, dislocation, transparency, and transformation to challenge rational thought and social norms in their bizarre and dreamlike imagery. Magritte is well known for works like The Son of Man that feature unusual juxtapositions of common objects. Dali's most famous work is The Persistence of Memory, which features melting clocks. This document provides information on surrealist artists and their use of compositional