Mark Hill studied History of Art & Architecture (BA Hons), and began his career as a porter and Junior Cataloguer at Bonhams, before moving to Sotheby's where he was a Specialist in the Collectors' Department. He became director of an internet company forming and running a ground-breaking deal with eBay Live Auctions. He was co-author of the internationally published Collectables Price Guide with Judith Miller from 2002-17. He founded his own publishing company in 2005 and has since published over 12 books on specialist subjects in 20th century design and decorative arts. A Miscellaneous expert on the Antiques Roadshow since 2007, and has co-presented three prime time factual TV series on antiques and collecting for BBC2. He is Operations Director of Ronati UK, an internet company offering innovative digital services to the antiques industry. He has lectured across the world, including at the V&A in London, and contributed to many newspapers, magazines, radio and TV programmes.

Michael Harris was one of the innovators of the international studio glass movement and transformed 20thC glass and its creation. His pioneering work at Mdina Glass on Malta and, later, at Isle of Wight Studio Glass is examined, including influences, production techniques, major ranges and the heritage he left behind.