This fascinating selection of photographs traces some of the many ways in which the Cambridge Main Line has changed and developed over the last century

Andy T. Wallis was educated at Simon Balle School, Hertford before joining the Royal Navy, where he served for six years, some of which was spent on HMS Ark Royal. He is a volunteer on the Colne Valley Railway, a heritage steam railway, and has been a member of the preservation society since 1978. He has held various posts within the organization as Honorary Secretary, Editor of the newsletter and for the last 8 years as Chairman. After worked for the railways for 31 years, and now spends his spare time writing or volunteering on the Colne Valley Railway. He lives in King's Lynn, Norfolk.