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Victor and Constant at home at the Henri Polaklaan 25, Amsterdam, 1949.
Constant, Appel and Corneille at their exhibition at gallery Santee Landweer, Amsterdam from February 14 till March 4th, 1948.
Constant, Corneille and Appel in studio Karel Appel in Amsterdam, 1948
De Experimentele Groep at the studio of Karel Appel in Amsterdam, 1948.
Standing f.l.t.r.: Anton Rooskens, Jan Nieuwenhuijs, Eugène Brands, Karel Appel, Theo Wolvecamp
Sitting f.l.t.r.: Corneille, Gerrit Kouwenaar, Jan Elburg and Constant playing guitar.
De Experimentele Groep in Holland (The Experimental Group in Holland) in the studio of Karel Appel in Amsterdam, Autumn 1948.
Back row f.l.t.r.: Karel Appel, Jan Elburg and Gerrit Kouwenaar;
front row f.l.t.r.: Theo Wolvecamp, Corneille (chairman), Constant (secretary), Jan Nieuwenhuys, Eugène Brands and Anton Rooskens (treasurer).
Copenhagen, 1948.
F.l.t.r.: Ernest Mancoba, Erik Ortvad, Corneille, Karel Appel and Constant.
The Høst group and the Experimental Group in Holland at the zoo in Copenhague, November 1948.
f.l.t.r.: Constant, Vibeke alfelt, Ejler Bille, Corneille, Knud Nielsen, Tonie Sluyter, Sonja Ferlov with her son Wonga, Karel Appel, Erik Ortvad, Ernest Mancoba, Else Alfelt, Carl-Henning Pedersen with, at the front, their daughter Karl, Agnete Therkildsen and Ortvad's son with his mother behind him.