Christel Dee is a cosplayer, convention enthusiast and long-time Whovian. She previously hosted Doctor Who: The Fan Show and is now part of Doctor Who's digital marketing team. She writes regular cosplay features for Doctor Who Magazine and is a member of their Time Team panel. In 2017, she contributed cosplay tips to Doctor Who: Paper Dolls for BBC Books.
Simon Guerrier is co-author of Doctor Who: The Women Who Lived and Whographica for BBC Books, and has written countless Doctor Who books, comics, audio plays and documentaries.
He has been a guest on Front Row and The Infinite Monkey Cage on Radio 4 and, with his brother Thomas, makes films and documentaries - most recently Victorian Queens of Ancient Egypt for Radio 3.