Fashionistas of the past will fondly remember Mason's, which was one of the leading fashion houses in Melbourne through the sixties and seventies. One of its principals was Piero Gesualdi, architect, fashion designer, interior designer and café owner who brought much of his modernist aesthetic to Rosati's, the café he established in Flinders Lane. Here he talks about his long and varied career, the creative flame, and his latest innovative venture - turning one of Melbourne's electricity substations into an underground bar.