After qualifying as a vet in 1939, Alf Wight, aka James Herriot, moved to a veterinary practice in Thirsk. He was over fifty when his first book of stories about life as a Yorkshire vet was published, giving birth to some of Yorkshire's most famous and much-loved literary characters. Although he brought fame and fortune to himself and those around him, Alf Wight remained an intensely private person, respected and trusted by those whose animals…