Greg Jenner is the historical consultant to CBBC's multi-award winning Horrible Histories,Horrible Histories with Stephen Fry, and the various HH spin-offs. As well as contributing sketches and co-writing Stephen Fry's links, over the past four years he has been solely responsible for the factual accuracy of nearly one thousand comedy sketches with subject matter that has spanned the entirety of human history.

Greg studied at the University of York and, after dropping initial plans for a life in academia, has worked on historical documentaries and dramas for the past seven years. Greg's first book is A Million Years in a Day: A Curious History of Everyday Life from the Stone Age to the Phone Age.

David Stubbs joined the music magazine Melody Maker in 1986, and worked there for 12 years. His most famous creation, Mr Agreeable periodically reawakens over at The Quietus.

He has also written for The Guardian, NME, The Wire, When Saturday Comes and Uncut, and was a presenter of the Resonance FM football show Café Calcio.

David is the author of numerous books, including Fear of Music: Why People Get Rothko but Don’t Get Stockhausen. His latest book is Future Days: Krautrock and the Building of Modern Germany.