Guido Drocco was born in San Benedetto Belbo, Cuneo, Italy on September 19, 1942. He graduated in Architecture at the Polytechnic of Turin (Politecnico di Torino). He performs professional work in the field of Architecture and Industrial Design and is active in Turin. Since 1996 he has been a lecturer in Architectural Design at the Faculty of Architecture at the Polytechnic of Turin. Franco Mello was born in Genoa in 1945. He lives and works in Turin and Spineto Scrivia. Mello works in design, packaging, graphic design, publishing and art. He has edited books on art and designed catalogues and posters for numerous artists from Arte Povera to the Transavantgarde, including Piero Manzoni, Giulio Paolini, Giuseppe Peone, Alberto Burri, Yves Klein, Bridget Riley and Pinot Gallizio. Among other products, in 1972 they designed together the Cactus for Gufram.