Theo van Doesburg by then already gained some attention with his paintings. Van Doesburg saw in these paintings his ideal in painting: a complete abstraction of reality. Soon after the exposition Van Doesburg got in contact with Mondrian, and together with related artists Bart van der Leck, , Vilmos Huszár and Jacobus Oud they founded the magazine "De Stijl" in 1917. Although De Stijl was made up of many members, Van Doesburg was the "ambassador" of the movement, promoting it across Europe. He moved to Weimar in 1922, deciding to make an impression on the Bauhaus principal, Walter Gropius, in order to spread
Theo van de Klundert and History of Economics at Tilburg University. Among his doctoral students are Casper van Ewijk, Henk van Gemert, George Gelauff, Ad van de Gevel, Raymond Gradus (in cooperation with Piet Verheijen), Rob de Groof, Gustaaf Hes, Lex Meijdam, Richard Nahuis, Henk Peer, Eric Schaling (in cooperation with Sylvester Eijffinger), Sjak Smulders, Ton van Schaik, Herman Thoben and Jeroen van de Ven, Herman Wijffels. In 2001, Van de Klundert retired from Tilburg University. Since 1967, Van de Klundert has been associated with the scientific journal "De Economist", initially as editor, later on as chairman of the board of editors. Since 1976