Mark Glancy is reader in film history at Queen Mary University of London. His media work includes appearances on the BBC Radio Four programs Archive Hour, Back Row, and Great Lives, as well as many articles on film history for the magazines BBC History and History Revealed. Most recently, he served as the editorial consultant and on-screen contributor to the feature-length documentary film Becoming Cary Grant. His publications include When Hollywood Loved Britain: The Hollywood British Film, 1939-1945, The 39 Steps: A British Film Guide, and, as a coeditor, The New Film History: Methods, Sources, Approaches, and Hollywood and the Americanization of Britain, from the 1920s to the Present.