Born in Paris in 1929, Roger Tallon is one of the most remarkable industrial designers of our time. After training as an engineer, he joined Technès, a technical and aesthetic design office, in 1955. He was one of the first to teach design at the École des Arts Appliqués.His work covers a wide range of industrial products such as household electrical goods (Teleavia television set in 1963), furniture (M 400 staircase in 1966), china (3T collection in 1966), railway equipment (Mexico City subway in 1969, Corail trains in 1975 and the French high speed train TGV Atlantique in 1991).

His collaboration with Sentou began in 1960 with the creation and manufacture of the Wimpy seats.

In 1966 Roger Tallon designed the M 400 staircase in polished cast aluminium for the metal casters’ trade union, CIFOM. In addition to the M 400 Roger Tallon designed the TH staircase in 1974 for the Lacloche Gallery. Sentou took over the exclusive production and distribution of the M400 and TH spiral staircases in 1986.

Created in 1978 with Robert Sentou, founder of Sentou, the TS chair was reissued by Sentou in 2001 and the Cryptogramme stool, designed in 1969, was reissued by Sentou in 2006.