Part 9 - Amna Malik: 'Abstract dis-connections, ruptures and transformations: Nasreen Mohamedi and the question of context. This study day is dedicated to the memory of Professor Charles Harrison, Emeritus Professor of the History and Theory of Art at The Open University. On the occasion of two major exhibitions of abstract art, Van Doesburg and the International Avant-Garde: Constructing a New World and Arshile Gorky: A Retrospective, this study day considers some of the broad issues and ideas associated with the concept of 'abstraction'.