Bachelor in Art and French, Albion College, Michigan, 1964. Master of Arts in Art History, Oberlin College, Ohio, 1967. Student, Neuchatel University, Switzerland.
Student, Institute European Studies, Paris. Student, Institute de Phonetique. Student, Academy Grande Chaumiere.
Assistant curator, Allen Memorial Art Museum, Oberlin, 1967-1968; assistant curator 20th Century painting and sculpture, National Collection Fine Arts, Smithsonian Institution, Washington, 1968-1973; associate curator, National Collection Fine Arts, Smithsonian Institution, 1974-1975; director, U. Iowa Museum Art, 1975-1979; director, Amon Carter Museum, Fort Worth, 1980-1995; director, Palmer Museum of Art, University Park, Pennsylvania, since 1996.
Member National Museum Act. Advisory Council, 1980—1983. Visiting committee Allen Memorial Art Museum Oberlin College, Ohio, 1992—2003.
Chair advisory committee North Texas Institute Educators on the Visual Arts, University North Texas, 1992—1995. Member Association Art Museum Directors (trustee 1981-1982, 84-86, 92-93, chairman government and art committee 1982-1984, chairman professional practices committee 1990-1992), Western Association Art Museum (regional representative 1978-1979), American Association Museum (commission for new century 1981-1984, general co-chair 1993 annual meeting), American Arts Alliance (director 1980-1986, vice-chairman 1982-1984).
Married Christopher Layton Muhlert, January 1, 1966. 1 son, Michael Keene.