In 1957 the French Avant-Garde Groupe Situationist International was founded in Cosio di Arroscia by former members of two other avant-garde groupes, the International Movement for an Imaginist Bauhaus (Asger Jorn, Giuseppe Pinot-Gallizio a.o.) and the Lettrist International (Guy Debord a.o.).
The International Movement for an Imaginist Bauhaus was a small European avant-garde artistic tendency that arose out of the breakup of COBRA, and was initiated by contact between former COBRA member Asger Jorn and Enrico Baj and Sergio Dangelo of the Nuclear Art Movement.
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In 1955, he met Asger Jorn, with whom he co-founded the Experimental Laboratory of the Imaginist Bauhaus in Alba, which was part of the International Movement for an Imaginist Bauhaus, in opposition to the return to productivism by others in the Bauhaus school, in particular Max Bill.
In Alba, Piedmont, Italy, with Asger Jorn and Giuseppe Pinot Gallizio he founded the Laboratory of immaginiste experiences as part of the International Movement for an Imaginist Bauhaus (IMIB).