Professor of Ignorance John Lloyd and his curator, the brilliant Romesh Ranganathan welcome:

* A costume designer who has dressed Johnny Depp, Madonna and Tom Cruise, Penny Rose.
* Truth seeker, commentator, author, biographer, columnist and Private Eye's Editor, Francis Wheen.
* Cambridge Uni's Professor of Volcanology and author who travels from the Antarctic to North Korea in search of Hot Stuff, Clive Oppenheimer.

The Museum's Guest Committee offer as exhibits a decorous device for lifting a Victorian lady's skirt, a letter that Karl Marx never wrote and a tin can full of liquid rock.

Researched by Anne Miller of QI and Mike Turner.

Producers: Richard Turner and James Harkin

A BBC Studios production for BBC Radio 4, first broadcast in September 2017. Show less