Constantin Tacou emigrated from Romania to France in 1948. There, he became an important and charismatic figure in Bohemian post-war Paris where he worked as the editor of the Cahiers de L'Herne. Tacou not only published Rotella’s biography, Une Vie D’artiste, but he was also an avid collector with an acutely discerning eye, acquiring some outstanding works by Fontana, Calder, Christo, Klein, Tinguely and Rotella.