Reyner Banham was staff writer for the AR between 1952 and 1964. He was a prolific architectural critic and writer best known for his seminal theoretical treatise Theory and Design in the First Machine Age (1960) and for his 1971 book Los Angeles: The Architecture of Four Ecologies
Later, he wrote a Guide to Modern Architecture (1962), later re-titled Age of the Masters: A Personal View of Modern Architecture; and the 1966 book The New Brutalism: Ethic or Aesthetic? As a professor, Banham taught at the University of London, the State University of New York, and through to the 1980s at the University of California. He died in March 1988.