Before revision: On their resolution depends the survival of us all.Speech to the Economic and Social Council of the United Nations, Geneva, Switzerland, July 9, 1965 The following year, Spaceship Earth became the title of a book by a friend of Stevenson's, the internationally influential economist Barbara Ward.
After revision: On their resolution depends the survival of us all.Speech to the Economic and Social Council of the United Nations, Geneva, Switzerland, July 9, 1965 The following year, Spaceship Earth became the title of a book by a friend of Stevenson's, the economist Barbara Ward.