1990-1999
Samuel P. Huntington (1927 - 2008)
Huntington 1996: The Clash of Civilizations and the Remaking of World Order
www.en.wikipedia.org/wiki/Samuel_P._Huntington
www.beyondintractability.org/bksum/huntington ...
1940-1949
Kenneth E. Boulding (1910 - 1993)
www.en.wikipedia.org/wiki/Kenneth_E._Boulding
1930-1939
William Fielding Ogburn (1886 – 1959)
Committee on Social Trends, 1930 to 1933
www.en.wikipedia.org/wiki/William ...
Ogburn 1937: Technological Trends and National Policy, Including the Social Implications of new Inventions. 1937.
Ogburn 1922: Social change with respect to culture and original nature 1922. Reprint 1923.
www.archive.org/details/socialchange ...