Of all the major Hollywood stars, Katharine Hepburn was the least conventional, conforming to none of the stereotypes of female superstardom. She was not an exotic outsider in Hollywood like Greta Garbo or Marlene Dietrich; nor was she a victim of the studios like Judy Garland or Marilyn Monroe; and she was certainly not a creature of the system like Joan Crawford and Lana Turner. Instead, she always appeared intelligent, willful and independent,...