Postmodern, Post-modernism, Post Modern Source Post-modernism is a distinctive style recognised from the 1960’s (it’s origin date is a point of debate) to the 1990’s, with its dominance in the 1970’s to 1990’s.    In 1966 Robert Venturi describes post-modernism in his book “Complexity and Contradiction in Architecture” and built his mother a post-modern house, Vanna … More Post-modern