Giuseppe Arcimboldo (1527-1593), composite portraits -- Salvador Dalí (1904-1989), visual surprise -- Sandro Del-Prete (1937- ), a change of perspective -- Jos de Mey (1928- ), paradoxical worlds -- M.C. Escher (1898-1972), master of mind and soul -- Shigeo Fukuda (1932- ), visual scandal -- Rob Gonsalves (1959- ), magic realism -- Mathieu Hamaekers (1954- ), optical constructivism -- Scott Kim (1955- ), ambigrams -- Akiyoshi Kitaoka (1961- ), illusion op art -- Ken Knowlton (1931- ), mosaic portraits -- Guido Moretti (1947- ), transforming sculptures -- Vik Muniz (1961- ), a change of medium -- Octavio Ocampo (1943- ), metamorphic art -- István Orosz (1951- ), anamorphoses -- John Pugh (1957- ), trompe l'oeil -- Oscar Reutersvärd (1915-2001), impossible figures -- Roger Shepard (1929- ), mind sights -- Dick Termes (1941- ), spherical worlds -- Rex Whistler (1905-1944), inversions.