Joshua M. Zeitz is lecturer in history at Pembroke College, University of Cambridge. He is author of Flapper: A Madcap Story of Sex, Style, Celebrity, and the Women Who Made Americ...view moreJoshua M. Zeitz is lecturer in history at Pembroke College, University of Cambridge. He is author of Flapper: A Madcap Story of Sex, Style, Celebrity, and the Women Who Made America Modern.view less