This Spaniard's contributions include pioneering Cubism & making collage an art technique
... it is difficult to distinguish the leg from the negative space 
around it making it .... Includes interview with famous Picasso Biographer: John 
Richardson [DOC] [TLE] Surrealism Art Movement - Visual Arts Encyclopedia [PAR] Surrealism (1924-2004): Origins, Influences, History of Art Movement Founded by 
Andre Breton.