Nominated for the Turner Prize in 1997, Cornelia Parker became well known for her installations and interventions, including Cold Dark Matter: An Exploded View 1991 (Tate Modern) where she suspended the fragments of a garden shed, blown up for her by the British Army, and The Maybe, a collaboration with actress Tilda Swinton, at the Serpentine Gallery in 1995. She is currently working on the annual roof commission for the Metropolitan Museum, New York.

She has works in the Tate Collection, MoMA and Met Museum NY and in numerous public and private collections in Europe and the USA. She was elected to the Royal Academy in 2009 and awarded an OBE 2010. She is represented by Frith Street Gallery, London.

Darian Leader is a writer, psychoanalyst, trustee of the Freud Museum and founding member of the Centre for Freudian Analysis and Research. He has written numerous books, including Strictly Bipolar (2013), What is Madness? (2011), The New Black (2008) and Freud's Footnotes (2000).