Assistant professor University California, Santa Barbara, 1978-1980. Associate curator of paintings Jean Paul Getty Museum, Malibu, California, 1980-1984, curator of manuscripts, since 1984, adjunct curator of paintings, since 1989. Visiting instructor Northwestern University, Evanston, Illinois, winter 1978.
Lecturer in field.
- The Visions of Tondal: From the Library of Margaret of York
- A discussion of the popular medieval story of a wealthy knight's dreamlike journey through hell, purgatory, and heaven.
- The Visions of Tondal: From the Library of Margaret of York by Kren, Thomas, Wieck, Roger S. (1990) Paperback
Author: (with Johannes Rathofer) Simon Bening's Flemish Calendar: Complete Facsimile of Munich Bayerische Staatsbibliothek Clm. 23638, 1988, (with Roger Wieck) The Visions of Tondal from the Library of Margaret of York, 1990. Contributor, editor: (exhibition catalogue) Renaissance Painting in Manuscripts, 1983 (1st prize American Library Association Rare Books and Manuscripts section).
Contributor Wadsworth Atheneum Paintings: The Netherlands and German-speaking Countries. Editor, contributor Margaret of York, 1992, Simon Marmion, and The Visions of Tondal, 1992. Contributor articles to professional journals.
Project director: Interactive videodisc on illuminated manuscripts, Jean Paul Getty Museum.
1978 - 1980
1980 - 1984