Cobra (CoBrA) is a group of artistic, European, be that from 1948 until 1951 was active. The name cobra from the first letters of the cities Copenhagen, Denmark, Brussels and Amsterdam is taken that the founders of the group in the inhabit were. The paintings in this group strongly Expressionist and under the influence of the art of children. Them, as a group, the concerns of serious social and political activist. Members of the founder of Cobra Carl, iPhone, iPad, Jan , etc. , etc. and Ernst were. In 1949, a major exhibition at the museum Amsterdam, with the title experimental art international waged.