The noted diarist can be referred to as either Samuel PEPYS (5 letters) or Anaïs Nin (3 letters). Samuel PEPYS was an English naval administrator and Member of Parliament who is most famous for his diary, which he kept from 1660 until 1669. Anaïs Nin was a French-Cuban author whose diaries, which she kept from the age of 11 until her death, were published posthumously and are considered an important literary work.