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Daphne Barbour, acting head of objects conservation

Julia M. Burke, head of textile conservation

Sarah Durkee, senior advisor, collections, exhibitions, and programs

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Noel Kassewitz, editorial board assistant

Peter Lukehart, interim dean, Center for Advanced Study in the Visual Arts

Christopher Maines, senior conservation scientist

Mary Morton, curator and head of French paintings

Laura Panadero, photograph conservator

Elizabeth Walmsley, senior paintings conservator

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ISSN (print): 2327-2023

ISSN (online): 3070-2402

Reflections on the Suger Chalice: New Observations and Technical Analysis

Figs. 7, 8, 18: Bibliothèque nationale de France; fig. 9: National Gallery of Art Library; figs. 10, 16, 17a, 20, 22: Dylan Smith; figs. 12, 13, 17b: © RMN-Grand Palais / Art Resource, NY

Baroque Twists and Turns: Material Evidence and the Network of Makers of a Seventeenth-Century Drawing of Giovanni Grosso

Figs. 2, 4, 8: © The Trustees of the British Museum. Shared under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) licence; fig. 3: © RMN-Grand Palais / Art Resource, NY; fig. 6: Instituto Centrale per la Grafica, Rome; fig. 7: The Morgan Library & Museum, New York; fig. 10: Bibliothèque nationale de France

The Re-Treatments of Rembrandt’s Man with a Sheet of Music: A Structural Conservation Review, 1927–1969

Fig. 5: © The Washington Post, Times Herald (1959–1973); figs. 11, 12: The Norton Simon Foundation; fig. 14: Sue Anne Chui; fig. 16: The J. Paul Getty Museum, Los Angeles; fig. 17: The Menil Collection, Houston. Photo by James Craven

Evaluation of Reflectance Transformation Imaging vs. Photogrammetry for Characterizing Painting Surfaces

Figs. 2–8: Kurt Heumiller

James Van Der Zee’s Portrait Photographs: Technical Insights from the National Gallery of Art’s Prints

Figs. 1, 3, 6, 8, 12–14, 15 (individual photographs), 16, 17: © James Van Der Zee Archive, The Metropolitan Museum of Art; fig. 18: Laura Panadero

Pigment Alteration and Color Change

Fig. 1: Firenze, Museo Nazionale del Bargello. By permission of the Italian Ministry of Culture—Photographic Department of the Uffizi Galleries; figs. 3, 15: Barbara Berrie; fig. 4: National Gallery of Art Library; fig. 6: Courtesy Letizia Monico; fig. 10: Photo by David Hradil