Original Bauhaus S34 cantilever chair in white leather by Mart Stam for Thonet, 1970,Original Bauhaus S34 cantilever chair in white leather by Mart Stam for Thonet, 1970, Original Bauhaus S34 cantilever chair in white leather by Mart Stam for Thonet, 1970, S34 chair by Mart Stam for Thonet in white cream leather with armrest (S33 is without armrest). The Dutch Designer And Architect Mart Stam Was A Pioneer Of Modern Furniture Design. His Experiments In The Early 1920s With Industrial Pipes Brought Him In 1926 To The Development Of The