Cassandra Hatton is Director of History of Science & Technology, a department that she founded at Bonhams in 2014 —now the leader in its field. She joined Bonhams in the spring of 2013 as a Senior Specialist in Fine Books & Manuscripts after a decade working as a rare and antiquarian book dealer and has expertise in not only books and manuscripts from the 15th-20th centuries, but also technological artefacts, scientific instruments and space history. She began her career as a cataloguer for a rare book dealer specialising in science and medicine, and then ran one of the last open antiquarian bookshops in Los Angeles before going into business on her own.
Hatton is responsible for numerous high-profile and record-breaking sales including the Hidden Wartime Manuscript of Alan Turing for $1,025,000; the world-record holding sale of an Apple-1 Computer for $905,000; the world record price for a three-rotor Enigma machine for $269,000; the world record price for a Charles Darwin letter for $197,000; and George Minot's 1935 Nobel prize medal in medicine/physiology for $545,000, She also brought to market the multiple record-breaking single owner sale Important Western Americana: Property of a Collector.
Hatton appears regularly in both broadcast and print media as an expert on the market in rare books and manuscripts, the history of science and space history, including Bloomberg, The New York Times, CBS News, The Guardian, Financial Times, Fox News, Vice, Vanity Fair, The Wall Street Journal and MSNBC, She has been featured in the Fine Books & Collections blog series "Bright Young Things" and is a frequent speaker on the market in rare books and manuscripts and scientific material.
Hatton completed her B.A. in French, Linguistics and History at the University of California, Los Angeles (UCLA) and has an M.A. in Early Modern History with a focus on the History of Science. She has attended both the Rare Book School at the University of Virginia and the California Rare Book School, where she completed courses in descriptive bibliography and the history of the book, and has taken coursework in personal property appraisal through the American Society of Appraisers. She is a member of the Grolier Club, The History of Science Society, The Bibliographical Society of America, The Caxton Club, the Rare Book & Manuscript Section of the American Library Association and the Society for the History of Authorship, Readership, and Publishing.