Oliver Green is a historian who has written widely on the history of public transport in London. He is the former head curator and now research fellow at the London Transport Museum, also a Fellow of the Royal Society of Arts (FRSA) and a museums advisor to Arts Council England. Oliver lectures regularly to societies and museums, including the Victoria & Albert Museum, London.

Benjamin Graham won the prestigious UK Landscape Photographer of the Year competition in 2017. He is a club-circuit lecturer, an international photo-tour leader and a residential course photography tutor at West Dean College, West Sussex. His work is inspired by the beauty of the UK's coast, its countryside and its architecture.