The Royal Institution of Great Britain is renowned the world over, first, because it is a premier arena for the advancement of new scientific and technological knowledge; and second because it highlights the advance of knowledge of all kinds. It bridges the sciences and the humanities, and as much publicity is given to advances in the arts, archaeology, architecture, drama and literature as to the pure and applied sciences. More famous scientists have lived and worked in the Royal Institution than in any other laboratory in the world. A roll-call includes Rumford, Davy, Faraday, Tyndall, Dewar, Rayleigh, W. H. Bragg, W. L. Bragg and George Porter. Not is it only the home of continuous electricity, it is also the birthplace of many aspects of molecular biology and viruses and enzymology. Some fifteen scientists who have won the Nobel Prize have, at one time or another, worked or lectured at the RI. And eminent individuals, like Howard Carter and Coleridge, have lectured there. is a lively and compelling personal selection of the remarkable personalities and achievements of some of the extraordinary scientists and individuals who, during the nineteenth and twentieth centuries, worked or lectured at 21 Albemarle Street in Mayfair, central London. John Meurig Thomas offers a unique and valuable insight into the history of this prestigious address, having himself lived and worked at the Royal Institution for some twenty years.