Oliver Green is a museums consultant and writer. Former Head Curator of the London Transport Museum, he is the author of a number of books relating to London transport history, and transport art. Oliver is a Fellow of the Royal Society of Arts.

Mind the gap and jump aboard this fascinating history of the world's oldest and greatest underground railway. On seven guided journeys, travel through time and observe at first hand the influence of great Underground architects, such as Charles Holden and Sir Norman Foster, and how the stations have changed - but also how many things have stayed the same.