John Kenneth Major ARIBA, FSA, popularly known as Ken Major (21 October 1928 – 25 July 2009) was an architect, author and world authority on industrial archaeology, particularly windmills, watermills and animal powered machines. As an author, he was known as J Kenneth Major.Ken Major was born in Reading, Berkshire on 21 October 1928. His parents were Katharine May Major (née Ridge) and John William Major. He was christened John Kenneth Major but owing to a number of John Majors in the family he was generally referred to as Ken. Wikipedia