Proto-Cubism by those who chose to see in his work the imitation of nature and perspective, and as a revolutionary by those who saw in him a revolt against imitation and classical perspective. Timid, yet clearly manifest, was the will to deconstruct. Artists at the forefront of the Parisian art scene at the outset of the 20th century would not fail to notice these tendencies inherent in the work of Cézanne, and decided to venture still further. Avant-garde artists in Paris (including Jean Metzinger, Albert Gleizes, Henri Le Fauconnier, Robert Delaunay, Pablo Picasso, Fernand Léger, André Lhote, Othon Friesz, Georges Braque,
Constant Nieuwenhuys himself artistically and experimented with multiple techniques of art-making. He was inspired by Cubism, especially by Georges Braque. In 1946 his daughter Martha was born, followed by his daughter Olga in 1948. In 1946 Constant travelled to Paris for the first time where he met the young Danish painter Asger Jorn. The friendship between Jorn and Constant later formed the basis for the avant-garde movement CoBrA. July 1948 Constant founded Reflex "" with Corneille, Karel Appel and his brother Jan Nieuwenhuys. The first edition of the magazine "Reflex" was published with a manifesto written by Constant. For Constant art had