Gresham College Lectures

We have to stop fossil fuels from causing global warming – before the world stops using fossil fuels. There’s only one solution: safe and permanent disposal of one tonne of carbon dioxide for every tonne still generated by burning fossil fuels. But how do we achieve this without overheating the planet or stoking political conflicts? This lecture presents a simple answer: make carbon dioxide dispos...

Whether you are human or computer, viruses can ruin your day, so taking steps to avoid them is important. This lecture will ask whether there are similarities between human immunity and computer immunity? Can we use discoveries in one system to help protect against infections in the other? Might we one day take our laptops for regular vaccinations, or run a ‘software update’ on our own immune syst...

Now over 50 years old, Pink Floyd’s Dark Side of the Moon remains the perfect example of a concept album. Blending cyclical forms, jazz and modal harmony, experimental electronics, multi-layered guitars, studio techniques and haunting lyrics, this lecture will examine why this album has retained its popularity, critical success, and enduring influence.  This lecture was recorded by Milton Mermikid...

How have lawgivers featured in modern revolutions? This lecture considers key moments in revolutions, including seventeenth-century Britain, eighteenth-century France and (what would become) the United States, and twentieth-century Iran. The appeal to lawgivers (including ancient ones from many cultures) in revolutionary visions and in consolidating new constitutions is a striking feature of moder...

The U.S. Constitution had to be formed through debate before it could be ratified. Mirroring this, a British constitution must emerge through debates held by the next generation. This lecture indicates schools are a good environment to foster this. For students, there are many contentious issues that tap into discussions at the heart of writing a constitution. Students being punished for swearing...

The JWST is the most expensive and powerful telescope astronomers have ever constructed. Its launch in 2021 started a new phase in our exploration of the cosmos, with the observatory's golden mirrors producing instantly iconic images of the Solar System's giant planets, nearby star-forming regions and galaxies, and our distant universe. The lecture includes the latest news from its studi...

Why do smart people make dumb financial choices? This lecture explores the surprising link between our psychology and money mistakes. We will see how fear, overconfidence, and even our desire to be liked can cloud our judgment, especially when dealing with financial "experts". Learn how these psychological blind spots worsen conflicts of interest, and how to make smarter financial decisi...

Watch the Q&A session here: https://youtu.be/hLBfAVyeMBs Throughout history, authorities have struggled to manage individuals’ urges to speak out against injustice and malpractice. IT has given us new means to obtain and publish data that others may wish to protect or even conceal. To some, those who hack and leak are heroes. To others, they are criminals. In an era of mass leaks and high-prof...

Watch the Q&A session here: https://youtu.be/3ntebbsM4Hw This lecture delves into musical forms which rely on the most economical of materials and concepts. From Steve Reich’s adoption of rhythmic cycles and phasing in Ewe drumming to the expressive power of Estonian composer Arvo Pärt’s music, we explore how profound effect can emerge from such apparent simplicity. This lecture unpacks the pr...

This lecture was recorded by Ronald Hutton on 14th May 2025 at Barnard's Inn Hall, London. Ronald is the Gresham Professor of Divinity. He is also Professor of History at the University of Bristol and a Fellow of the British Academy, the Royal Historical Society, the Society of Antiquaries and the Learned Society of Wales. The transcript of the lecture is available from the Gresham College we...

Watch the Q&A session here: https://youtu.be/VOGzTymAYno For many modern thinkers, the lawgiver has been important as a founder or re-founder of civic identity and cultural values. From Machiavelli on Moses; to Rousseau on Solon, Lycurgus, and the need for a lawgiver to make a true social contract possible; to Nietzsche and his followers seeking a lawgiver who can be also poet and prophet, thi...

Diseases such as Alzheimer’s or Parkinson’s are devastating neurological conditions that typically occur at old age and lead to systematic dementia and debilitating symptoms. The underlying mechanisms of these diseases are poorly understood. Yet, a striking feature of these conditions is the characteristic pattern of invasion throughout the brain, leading to well-codified disease stages associated...

This lecture was recorded by Melissa Lane on 6th March 2025 at Barnard's Inn Hall, London. Melissa Lane is Gresham Professor of Rhetoric. Melissa is also the Class of 1943 Professor of Politics, Princeton University and is also Associated Faculty in the Department of Classics and Department of Philosophy. Previously she was Senior University Lecturer at Cambridge University in the Faculty of...

This lecture was recorded by Myles Allen  on 29th April 2025 at Barnard's Inn Hall, London. Myles is the Frank Jackson Foundation Professor of the Environment. Myles is also  is currently Director of the Oxford Net Zero initiative. He was awarded the Appleton Medal and Prize by the Institute of Physics in 2010, and in 2022 a CBE for services to climate change attribution, prediction and net z...

This lecture was recorded by Alderman Alastair King on 14th April 2025 at Guildhall, London. Alastair King is the 696th Lord Mayor of the City of London His civic responsibilities began when he was first elected as Common Councillor for Queenhithe Ward in 1999 – giving him over 24 years’ uninterrupted service; he was appointed Deputy for the Ward in 2006and elected Alderman in 2016 – serving as Al...

This lecture was recorded by Clive Stafford Smith on 10th April 2025 at Barnard's Inn Hall, London. Clive is the Gresham Professor of Law He is the founder and director of  the Justice League a non-profit human rights training centre focused on fostering the next generation of advocates.  He also teaches part time at Bristol Law School and Goldsmiths as well as running a summer programme for...

Watch the Q&A session here: https://youtu.be/Y9JR7El863k Our alert systems for identifying safety and security threats have evolved over time. As the threat from wild animals diminished, the perceived threat from other humans increased. To defend our territories and our livelihoods, we began to gather intelligence on our enemies, in the hope that being forewarned would give us an advantage. Th...

Watch the Q&A session here: https://youtu.be/G_SpC_BV4jA In the late nineteenth century, Joseph Chamberlain transformed Birmingham with municipal enterprise and urban improvement, but in the last few years, local authorities have been facing serious financial difficulties, and some of the largest, such as Birmingham, have faced the equivalent of bankruptcy. This lecture will ask why British ci...

Watch the Q&A session here: https://youtu.be/qz9a4zXIFz0 The ancient Druids have long represented some of the most striking and controversial figures in ancient and medieval literature. In this lecture, we will look at the many different ways in which the modern imagination has been inspired by them, both as heroic ancestors and as demonic villains against whom civilisation can be defined. It...

Watch the Q&A session here: https://youtu.be/PcNoOjT30VY Vaccination has changed the world, saving millions of lives and enabling us to eradicate a lethal disease for the first time in human history – not to mention their critical role in ending the Covid-19 pandemic. This lecture explores how a vaccine actually works, why mRNA vaccines are truly groundbreaking and why we can’t simply vaccinat...

Watch the Q&A session here: https://youtu.be/H8nG29pO_y4 Asteroids were for years considered 'celestial vermin' - objects which got in the way of more interesting fodder for astronomers. Now, they are central to our Solar System's story, representing the building blocks from which planets are made, and capable of telling us the history of the last five billion years. This lectur...

Watch the Q&A session here: https://youtu.be/-TsWDdeQK34 Composed by Jerry Herman of Hello, Dolly! fame, ‘I Am What I Am’ first appeared in the Broadway musical La Cage aux Folles (1983). As well as gaining importance as a gay anthem during the AIDS crisis, the song has gone on to become a hit for several Black divas including Gloria Gaynor and Shirley Bassey. This lecture was recorded by Domi...

Watch the Q&A session here: https://youtu.be/9tcRtGh7hkM This lecture looks at debates and dialogues that characterise realist photography in Apartheid South Africa (1948-1994) examining the tensions between advocacy, propaganda and the ‘struggle’ on the one hand and the poetics of everyday life on the other. Figures from Ernest Cole and David Goldblatt to Zanele Muholi and Lebohang Kganye wil...

Watch the Q&A session here: https://youtu.be/rKoYL4yrNsg Despite being cited as one of the most creative and influential guitarists of all time, and his tragically short life, Jimi Hendrix’s playing and composing are yet to be fully analysed. This lecture will demystify his diverse influences and reveal the full range of his extraordinary invention in terms of sonic sculpting, rhythmic feel, f...

Watch the Q&A session here:  https://youtu.be/cjJSWgvHZKw This lecture puts forth the ethical and economic case for a basic income, enabling financial security and therefore a better quality of life for all. Financial insecurity affects one’s ability to make rational decisions – studies show it even lowers short-term IQ – making it even harder to improve one’s circumstances in the long run. Fu...