Jonathan Scheer, founder and president of J. Scheer & Co., has studied conservation science and care of museum collections at the Smithsonian Institution's Conservation Analytical Laboratory, the Art Institute of Chicago, and the Campbell Center for Historic Preservation. He is often asked to lecture to art conservators as well as the general public and is a consultant to textile conservators in private practice and to specialists at museums and art institutions including the American Textile History Museum in Lowell, Mass. and the Tapestry Conservation Laboratory at the Cathedral of St. John the Divine in New York. Mr. Scheer is guest lecturer at the Conservation Center of the Institute of Fine Arts at New York University. He has contributed his expertise in conservation cleaning to dress collections exhibited at the Musee des arts decoratifs at the Louvre in Paris and at the Whitney Museum of American Art in New York. Mr. Scheer is a member of the American Institute for Conservation of Historic and Artistic Works, the Costume Society of America, and the International Fabricare Institute.