From Wikipedia, the free encyclopedia. Britt Allcroft is the multi- award-winning creator of a trio of children's entertainment produced in the 1980s and 1990s: "Thomas the Tank Engine and Friends", (now retitled "Thomas and Friends"), "Shining Time Station" (with co-creator Rick Siggelkow) and "Britt Allcroft's Magic Adventures of Mumfie". She was born Hilary Mary Allcroft, in Worthing, England and, at 16, changed her name to Britt as her career in British radio