A page from Marx's notebook (Photo: Compton Verney Museum)[Missing Credit] But that failure never held her back, as she established her own studio in the 1920s. In the 1930s she was commissioned by London Underground to create designs to upholster Tube train seats, then universally grey and brown. She made the hard-wearing moquette glow like velvet in an iconic red, green and blue shield design for the Bakerloo and Northern lines which bore out her belief that “the best method of ensuring the seats would look clean after a period of use was to use strongly contrasting tones and rather brilliant colour.” Enid...