​Margaretta S. Frederick, Chief Curator at the Delaware Art Museum, received her B.A. and Ph.D., both in Art History, from Bryn Mawr College, and has held fellowships at both the Winterthur Museum and at the Yale Center for British Art. Her publications include essays on the Pre-Raphaelites, and she is the editor of Collecting the Pre-Raphaelites: The Anglo-American Enchantment, which appeared from Scolar Press in 1997. She has also presented widely on Pre-Raphaelite art and has served as President of the William Morris Society, U.S. Mark Samuels Lasner, collector, bibliographer, and typographer, is Senior Research Fellow at the University of Delaware Library. A graduate of Connecticut College, he is the author of The Bookplates of Aubrey Beardsley (Rivendale Press, 2008), A Bibliography of Enoch Soames (Rivendale Press, 1999), The Yellow Book: A Checklist and Index (Eighteen Nineties Society, 1998), A Selective Checklist of the Published Work of Aubrey Beardsley (Thomas G. Boss Fine Books, 1995), and William Allingham: A Bibliographical Study (Holmes Publishing Co., 1993); as well as co-authored books such as England in the 1880s: Old Guard and Avant-Garde (University of Virginia Press, 1989) and England in the 1890s: Literary Publishing at the Bodley Head(Georgetown U Press, 1990). His articles and notes have appeared in the Book Collector,Browning Institute Studies, Notes and Queries, and other journals. He has organized or co-curated exhibitions held at the University of Virginia Library; Georgetown University Library; the Houghton Library and the Fogg Art Museum, Harvard University; Bryn Mawr College Library; Virginia Commonwealth University; Drew University; and the Grolier Club.