There are normally three experts in their subject who are questioned and cross-examined by Bragg - he knows exactly how to extract ideas from them and is a master of questioning. His general knowledge must be phenomenal - a true renaissance man!
If you need any further endorsement it is Mr Hopcroft’s favourite radio programme and he allegedly has a poster of Melvin Bragg on his bedroom wall!
The main BBC website can be found here. You can then click on Podcasts and find radio programmes by categories such as Religion, Philosophy, History and Culture. They are also developing a very good Archive for searching as well.
A few episodes that you might find relevant to the GCSE/IGCSE and A-level courses are (Click on the image to listen to them):