Melvyn Bragg is Lord Bragg of Wigton and through his Radio 4 programme In Our Time has been a great friend of Physics. Recently I have been enjoying back issues on Maths. Try these:
https://www.bbc.co.uk/programmes/b09gbnfj and
https://www.bbc.co.uk/programmes/b00dshx3 I have been trying to learn about Hilbert Spaces to understand Quantum Mechanics and the second programme gave me an insight into Hilbert's character.