Jon Halliday is a historian of Russia and was a former Senior Visiting Research Fellow at King's College, University of London.

Halliday authored a biography of filmmaker Douglas Sirk, and has written and edited seven other books. He and his wife, Jung Chang, live in Notting Hill, west London. Together they researched and wrote the highly critical biography of Mao Zedong, Mao: the Unknown Story.

Web Site: Jon Halliday Page On Wikipedia