London-based freelance lecturer, writer and exhibition organiser. Has lectured for Tate, the National Gallery, the Royal Academy of Arts, the Open University, Sotheby's Institute of Art and the Courtauld Institute of Art. Associate Lecturer at Birkbeck College since 2005, and has led many tours. Publications include Understanding Modern Art (1991), Chagall (1998/2001), The Private Life of a Masterpiece (2001),The Art and Life of Josef Herman (2009) and Art and the Second World War (2013). She is the initiator and Creative Director of the nationwide Insiders/Outsiders arts festival (see https://insidersoutsidersfestival.org/), and contributing editor of the companion volume, Insiders/Outsiders: Refugees from Nazi Europe and their Contribution to British Visual Culture (2019).