L. T. C. Rolt

Lionel Thomas Caswall Rolt was a prolific English writer and the biographer of major civil engineering figures, including Isambard Kingdom Brunel and Thomas Telford. He is also regarded as one of the pioneers of the leisure cruising industry on Britain's inland waterways, and was an enthusiast for vintage cars and heritage railways. He played a pioneering role in both the canal and railway preservation movements.