Rose Cumming was the most flamboyant and exciting of the so-called Great Lady Decorators who invented the field of professional decorating and interior design in the early twentieth century. Flavored by surrealism and suffused with drama, her interiors were sumptuous, mixing bold colors and patterns. Her own library had emerald-green walls, a peacock -blue satin sofa, and scarlet japanned chairs. Cumming's famous New York decorating and antiques shop...