Londons's first higher education institution, and free since 1597, our lecturers feature some of the best-loved and most inspiring thinkers of the 21st century, from Chris Whitty to Joanna Bourke, Ronald Hutton, and more. Gresham College's free public lectures for 2022-3 launch at the end of July, register to watch then, or watch free lectures online now. Audience ranges from London cabbies to school and University students to working specialists! Gresham is one of the best-kept secrets in London. 
https://www.gresham.ac.uk/