endowment, the proceeds of the sale of its San Francisco office building, worth $13 million to $15 million on condition that it remain in Rochester, and the trustees must raise the money to build or renovate in Rochester. In January 1989, the museum's expansion facility opened to the public. In 1996, the museum opened the Louis B. Mayer Conservation Center in nearby Chili. One of only four film conservation centers in the United States (as of March 2006), the facility houses the museum's rare 35 mm prints made on cellulose nitrate. That same year, the Eastman House launched the first school of film preservation in the United States to teach restoration, preservation, and archiving of motion pictures. The L. Jeffrey Selznick School of Film Preservation was founded with support from The Louis B. Mayer Foundation. In 1999, the George Eastman Museum launched the Mellon Advanced Residency Program in Photograph Conservation, made possible with grant support from the Andrew W. Mellon Foundation. The program trained top photograph archivists and conservators from around the world. George Eastman Museum has organized numerous groundbreaking exhibitions, including New Topographics: Photographs of a Man-Altered Landscape in 1975. Governance Directors The current director of the George Eastman Museum is Bruce Barnes who was appointed in September 2012. Board of Trustees The George Eastman Museum is headed by a board of trustees. Nannette Nocon is the current board chair. Finances The George Eastman Museum's annual budget is approximately $10 million. As of December 2014, its endowment exceeded $35 million. Collections The museum's holdings comprise more than 400,000 photographs and negatives dating from the invention of photography to the present day; 28,000 motion picture films; three million other cinematic objects, including letters, scripts, musical scores, lobby cards, posters, film stills, and celebrity portraits; more than 16,000 objects of photographic and cinematographic technology; an internationally renowned research collection of books, periodicals, and other materials on photography and moving images; and George Eastman's home furnishings and decorative arts, personal and business correspondence, private library, photographs, negatives, films, and related personal items. Photography collection The photography collection embraces numerous landmark processes, objects of great rarity, and monuments of art history that trace the evolution of the medium as a technology, as a means of scientific and historical documentation, and as one of the most potent and accessible means of personal expression of the modern era. More than 14,000 photographers are represented in