m. princet has studied at length non-euclidean geometry and the theorems of riemann, of which gleizes and metzinger speak rather carelessly. now then, m. princet one day met m. max jacob and confided him one or two of his discoveries relating to the fourth dimension. m. jacob informed the ingenious m. picasso of it, and m. picasso saw there a possibility of new ornamental schemes. m. picasso explained his intentions to m. apollinaire, who hastened to write them up in formularies and codify them. the thing spread and propagated. cubism, the child of m. princet, was born.