Mikhail Dedinkin is Deputy Head of the Department of Western-European Art and Curator of 19th- and 20th-Century Drawings at the Hermitage Museum in St Petersburg. Michael Estorick is a novelist and Chairman of the Estorick Collection of Modern Italian Art in London. His parents, Eric and Salome Estorick, were Ert¿ great friends and agents. Morgan Falconer is a New York-based journalist and critic. Brian Sewell (1931¿2015) was a renowned art critic, who wrote regularly for the Evening Standard. Barbra Streisand is an actress, singer, director, writer, producer, designer, author and activist.