# Keith Critchlow

Keith Barry Critchlow (16 March 1933 – 8 April 2020) was an artist, lecturer, author, professor of architecture and a co-founder of the Temenos Academy in the UK. == Biography == Critchlow was educated at the Summerhill School, St Martins School of Art, and the Royal College of Art.Critchlow performed national service in the Royal Air Force from 1951 to 1953. In the Air Force he met Frank Bowling.Having been originally trained as a classical painter, he went on to study sacred geometry and authored many books on geometry, including Order in Space; Islamic Patterns: An Analytical and Cosmological Approach; Time Stands Still and the Hidden Geometry of Flowers. He also contributed the forewords to English editions of works by Titus Burckhardt, Frithjof Schuon, and others.Critchlow was a lecturer at the Architectural Association (AA) School of Architecture in London for twelve years.