Student of the Academy of Fine Arts of Mons (1938), makes his first steps in surrealism participating in the magazine "The collective invention" whose pillars are René Magritte and Raoul Ubac (1940). In 1945 he participated in the creation of the group "Haute Nuit" that will develop an important editorial activity until 1958. Pol Bury leaves Belgium for France in 1961.
Bury participates in numerous collective exhibitions: it is noteworthy that it appears in the famous exhibition organized by the gallery Denise René, "The Movement", next to Calder, Duchamp, Jacobsen, Agam, Soto, Tinguely, Vasarely. He paints until 1953 but exhibits for the first time in Brussels his "Mobile Plans", rectangular geometric shapes fixed on an axis that the spectator can animate at will. In 1957 it is when he added an electric motor that will animate his works. Pol Bury's sculpture will continue to evolve in the following years. He will make monumental works in particular some fountains (Fondation Maeght, Guggenheim Museum, Palais Royal ...) Pol Bury dilates space and extends time.