Pearl "Polly" Adler was an American madam and author, best known for her work A House Is Not a Home, which was posthumously adapted into a film of the same name. In 2021, Pulitzer Prize–winning historian Debby Applegate published a comprehensive account of Adler's life and times entitled Madam: The Biography of Polly Adler, Icon of the Jazz Age with Doubleday.

Debby Applegate is an American historian and biographer. She is the author of Madam: The Biography of Polly Adler, Icon of the Jazz Age and The Most Famous Man in America: The Biography of Henry Ward Beecher, for which she won the 2007 Pulitzer Prize for Biography or Autobiography.