Paul Himmelstein has been a partner in the New York conservation firm of Appelbaum and Himmelstein since 1972. The firm carries out conservation treatments on paintings and painted textiles, and consults for institutions and private collectors on matters related to collections care, including lighting, environmental control, and building renovation and construction. Mr. Himmelstein received his conservation training at the Intermuseum Laboratory, Oberlin, Ohio, and was a consultant conservator at the Brooklyn Museum for seven years. He is a past president of the American Institute for Conservation, and was the co-organizer of three symposia co-sponsored by the Association for Preservation Technology and the American Institute for Conservation (AIC) dealing with the problems of housing collections in historic buildings. He serves on the ASHRAE Committee on Museums, Archives and Libraries, and on the Illuminating Engineering Society Committee on Museums and Art Galleries. Recent projects include the relighting of the interior of the Hyde Collection, conservation consultation on large projects for Clemson University and the National Park Service, Calumet Michigan. He was a presenter at the Building Museums Conference 2011 in San Francisco and at the North Carolina Museums Association in 2013.