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

* Comedian Jessica Fostekew
* Engineer Dr Shini Somara
* TV producer Linda Agran

The Museum's Guest Committee donate a slotted screw, Test Match Cricket and a sign telling people to Live, Love, Laugh.

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

Producers: Richard Turner and Anne Miller.

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