Professor of Ignorance John Lloyd and his curator Bridget Christie welcome:

* Comedian Jen Brister
* Map expert Edward Brooke-Hitching
* Comedy writer Jason Hazeley.

The Museum's Guest Committee donate the Ravel royalties, a land grant to a place that doesn’t exist and a microphone.

Researchers: Mike Turner, Mike Shepherd and Emily Jupitus of QI.

Producers: Victoria Lloyd and Anne Miller.

A BBC Studios production for BBC Radio 4, first broadcast in October 2019. Show less