It may be in Jean-Baptiste Pussin’s environment that we find the first traces of the “resonating madness”. One more step was taken in 1834 with the “arrangers”, Francis Leuret opposed then “incoherents”. In the 1860’s, Campaign himself itself would produce a magnificent synthesis of the question, which would later enable the French school to understand the basic essentials brought to bear by Paul Sérieux and Joseph Capgras of 1909.