The movement was launched in 1955 by the Manifeste des plasticiens, written by de Repentigny (under the name Jauran) and signed by Louis Belzile,  and Fernand Toupin.
The movement began in 1955 with the Manifeste des plasticiens, created by de Repentigny (using Jauran as a pseudonym) and signed by Louis Belzile and Fernand Toupin.