*Watch Online/In person*: Subsequent to the Hot Big Bang, as the Universe expanded and cooled, atoms formed and, later still, decoupled from radiation. This lecture will cover the intellectual revolutions in relatively recent history that paved the way to our modern understanding of the formation, existence and interactions of atoms.
Professor Katherine Blundell was appointed Gresham Professor of Astronomy in 2019. She is a Professor of Astrophysics at Oxford University and a Research Fellow at St John's College. Before this she was one of the Royal Society's University Research Fellows, a Research Fellow of the 1851 Royal Commission, and a Junior Research Fellow at Balliol College, Oxford.