Special Exhibitions

Conserving the Past for the Future

Conserving the Past for the Future A Conservation Tour The Mass of Saint Gregory: Examining a Painting Using Infrared Reflectography Related Works
Hans Baldung Grien, Saint Anne with the Christ Child, the Virgin, and Saint John the Baptist, c. 1511. Samuel H. Kress Collection Photograph © 2001 Board of Trustees, National Gallery of Art, Washington