Writing in 1966, Quant was already world-wide famous as the leader of the revolution that had ushered in mini-skirts and hot-pants-the surge of British Mod pop-culture Diana Vreeland hailed as the "Youthquake." In the same year, the Daily Mirror's fashion journalist Felicity Green was reporting that "secretaries, students, and shop assistants were wearing skirts with hems only just below the...