Ronald Bergan, film historian, critic, and lecturer, is a regular contributor to the Guardian. The author of numerous film biographies, including Sergei Eisenstein, and Katharine Hepburn, published by Arcade, he held the chair in film at Florida International University in Miami and lectured at the Sorbonne, the British Institute in Paris, and the University of Lille. He now lives in Prague, where he teaches at the famed FAMU film school.