Complex sentence: His books on the history and criticism of Modernism and Postmodernism are widely read in architectural circles and he studied under the influential architectural historians Sigfried Giedion and Reyner Banham.
Split into simpler sentences: His books on the history and criticism of modernism and postmodernism are widely read in architectural circles. He studied under the influential architectural historians Sigfried Giedion and Reyner Banham.