Robert Marshall is a writer and producer. He spent 20 years at the BBC, ran independent production companies, pioneered live screening of the performing arts and was Executive Producer for Shakespeare's Globe. He has returned to his native Australia and now lectures at Curtin University, and is still writing.

Christopher Hibbert was an English author, historian and biographer. He has been called "probably the most widely-read popular historian of our time" and was the author of over 50 works of history.