Page - 344 - in The Vienna Genesis - Material analysis and conservation of a Late Antique illuminated manuscript on purple parchment

344 Authors and co-authors Abigail Quandt Abigail Quandt received a Master of Science and Diploma in Conservation from the Win- terthur/University of Delaware Art Conservation Program in 1982, after a third year in- ternship at the Library of Congress. From 1982–84 she was an advanced intern at Trinity College Library, Dublin. She spent four years as a visiting manuscripts conservator at the Walters Art Museum and joined the staff in 1989. Since 2001, she has been Head of the Department of Book and Paper Conservation at the Walters. She specializes in the con- servation of illuminated manuscripts on parchment and has lectured and published exten- sively on this and related topics. From 1999 to 2012, Ms. Quandt was the lead conservator for the Archimedes Palimpsest Project and, at the same time, supervised the conservation of the Syriac Galen Palimpsest for imaging at the Walters. Since 2014, Ms. Quandt has focused her research on the purple codices from the sixth through the tenth centuries and has collaborated with fellow conservators, scientists and scholars in investigating the mate- rials and techniques of these manuscripts as well as their history of restoration. Contact: Abigail B. Quandt, The Walters Art Museum, 600 North Charles Street, Balti- more, MD 21201 T: 410-547-9000 ext.626, E: aquandt@thewalters.org Sophie Rabitsch Sophie Rabitsch studied paper conservation at the Academy of Fine Arts Vienna and grad- uated in 2015, specializing in parchment conservation. She completed internships at differ- ent institutions, like the Austrian Museum of Applied Arts, the Austrian National Library, the Weltmuseum Wien or the Duchess Anna Amalia Library in Weimar, Germany. From 2010 to 2015, she was a part-time member of the conservation department of the archive of the Natural History Museum Vienna. Since 2015, she works as a freelance conservator, based in Vienna. From 2016 to 2019, she was involved in the Vienna Genesis project at the Austrian National Library as a conservator and researcher. Contact: Sophie Rabitsch, Restaurierungsatelier, Heiligenstädterstraße 187/2, 1190 Vienna, Austria E: sophie.rabitsch@gmx.at Junko Sonderegger Junko Sonderegger studied oil painting and prints (BA. Tama Art University, Tokyo, 1995) and oil painting conservation (MA. Tokyo University of the Arts, 1997). From 1998 to 2002, she received the Research Fellowship from the Agency for Cultural Affairs and the Foundation for Cultural Heritage and Art Research, Japan, to study European paper con- servation (MA. Academy of Fine Arts Vienna, 2004). From 2005 to 2011, she worked as Open-Access-Publikation im Sinne der CC-Lizenz BY 4.0