Like Twiggy’s figure and Cindy’s mole, Peggy Moffitt’s cropped bangs, pernicious smirk and harrowing eyelashes are part of Fashion’s Lexicon of Looks. More than mere model or muse, Peggy Moffitt was/is a collaborator; an equal in the androgynous aesthetic of Rudi Gernreich. Together they made functional, affordable fashion move, literally and figuratively, in...