Barbara Appelbaum received her MA and Certificate in Art Conservation from the Conservation Center of New York University and worked part-time at the Brooklyn Museum for about ten years. She started a private practice with Paul Himmelstein in 1972. Ms. Appelbaum published a book entitled Guide to Environmental Protection of Collections in 1991. She is also the author of Conservation Treatment Methodology, published in 2007, and is now working on a new book to be titled: Preserve, Protect, and Defend: A Practical Guide to the Care of Collections. She is also a member of the Editorial Board of Art and Archaeology Technical Abstracts.