Bachelor in Fine Arts summa cum laude, College of William and Mary, 1968. Master of Arts in Art History, New York University, 1970. Diploma in art conservation, New York University, 1973.
Doctor of Philosophy in Art History, University Delaware, 1995.
Conservation assistant National Portrait Gallery Smithsonian Institute, Washington, 1968. Graduate assistant library New York University Conservation Center, New York City, 1968-1969. Conservation assistant Colonial Williamsburg, Virginia, 1969.
Computer cataloger registrar's department Museum Modern Art, New York City, 1969-1970. Managing editor Art and Archaeology Technology Abstracts, 1969-1985. Private practice Charlottesville, Virginia, 1970-1973.
Intern in paintings conservation Washington, 1972-1973. Private practice Baltimore and Philadelphia, since 1976. Painting conservator Winterthur Museum, 1976-1980, senior conservator, 1980-1981.
Director art conservation program University Delaware, Winterthur, 1982-1997, professor, since 1996, director, Preservation Studies Doctoral Program, since 2005, Edward F. and Elizabeth Goodman Rosenberg professor material culture, since 2009. Vice president International Institute Conservation, 2004—2009. Member United States Senate Art Advisory Committee, since 2004, Delaware State Arts Council, since 2005.
Trustee Williamstown Regional Art Conservation Laboratory, 1989-1995. Active National Institute for Conservation, 1991-1993. Visiting committee Getty Conservation Institute, 1991-1997.
Board directors Wyeth Foundation, 1999^. Member United States Senate Art and Advisory Committee, since 2004, Delaware State Arts Council, since 2005. Fellow American Institute for Conservation (Gettens award for service to the field of art conservation 1991, professor 2009, University Products Lifetime Achievement award 2003), International Institute for Conservation (member council since 1997, vice president since 2004).
Member American Association Museum, International Council Museum, College Art Association (board directors 2000-2004, Wyeth endowment board member since 1999, secretary, vice president 2000-2005), FAIC Oral History File (project director since 1975), College Art Association (vice president 2000-2005), Washington Conservation Guild, Phi Beta Kappa, Theta Alpha Phi, Kappa Kappa Gamma.
Married W. Patrick Stoner, July 4, 1970. Children: Catherine Rebecca, Elizabeth Virginia.