LAURENCE BROCKLISS
Laurence Brockliss is professor of Early Modern French History at the University of Oxford. He is the author of some fifty articles and books, including French higher education in the seventeenth and eighteenth centuries (1987) and most recently Calvet's web: Enlightenment and the Republic of Letters in eighteenth century France (2003).

FILIPPO CAMEROTA
Filippo Camerota is a researcher and assistant professor of Architectural Drawing at the Istituto Universitario di Architettura di Venezia. For years he has been concerned with the history of scientific representation, with particular interest in Renaissance perspective and measuring techniques. His principal published works include: a critical edition of the unpublished treatise by Giorgio Vasari il Giovane on instruments for “measuring by sight” (1600), an essay on the proportional compass by Fabrizio Mordente (1584), as well as various articles on perspective and topography in the 15^th and 16^th centuries.

ANTONIO CLERICUZIO
Antonio Clericuzio studied at the University of Rome “La Sapienza”. He was Frances Yates Fellow at The Warburg Institute and is now Associate Professor of History of Science at the University of Cassino. He has published several articles and a book on Robert Boyle, 17th-century chemistry and the corpuscular philosophy. He was one of the editors of The correspondence of Robert Boyle.

LESLEY B. CORMACK
Lesley B. Cormack obtained her PhD at the University of Toronto in 1988. She is professor at the University of Alberta, Department of History and Classics, and past-president of the Canadian Society for the History and Philosophy of Science. Her publications include: Charting an Empire: Geography at the English Universities 1580-1620 (1997), Making Contact: Maps, Identity, and Travel, co-edited with G. Burger, J. Hart and N. Pylypuik (2003), plus various articles and book chapters.

FEDERICA FAVINO
Federica Favino graduated in 1991 in History and Philosophy at the University of Rome I “La Sapienza”. In 1996 she completed her PhD in Social History of Europe at the University of Naples “Federico II”. Since 2000 she has been a fellow at the Istituto Universitario Suor Orsola Benincasa in Naples. She is author of several essays on the circulation of the “new science” in the papal court, on the practice of experimental physics in Rome in the 17^th century, on science teaching at the University of Rome from the 16^th century to the Great Reform of Pope Benedict XIV.

ROMANO GATTO
Romano Gatto is professor of Mathematics at the University of Basilicata. His scientific interests go to the history of mathematics. He is author of several works and books concerning the Neapolitan Cartesianism, the history of the “irreducible case” of the equations of third degree, the mathematical teaching and the scientific activity of Jesuits, as well as Italian mathematics between 19^th and 20^th centuries and mechanics in the Renaissance.

MICHAEL J. GORMAN
Michael J. Gorman is a lecturer in the Program in Science, Technology and Society at Stanford University. He is the associate curator of the R. Buckminster Fuller Collection and is currently completing a book on Fuller. Recent publications include: “Mathematics and Modesty in the Society of Jesus: The Problems of Christoph Grienberger", in The New Science and Jesuit Science: Seventeenth Century Perspectives, ed. M. Feingold (2003) and "The Angel and the Compass: Athanasius Kircher's Geographical Project", in Athanasius Kircher: The Last Man who knew everything, ed. P. Findlen (2003). He is the director of the Athanasius Kircher Correspondence Project, an online digital archive (http://kircher.stanford.edu/).

MARCUS HELLYER
Marcus Hellyer is assistant professor for the History of Science at Brandeis University in Massachusetts. He has just completed a monograph on Jesuit natural philosophy in early modern Germany which will appear with the University of Notre Dame Press. He has also published the first English translation of Friedrich Spee's Cautio Criminalis (1632), an important early attack on the validity of witch trials.

DAVID A. LINES
David A. Lines is assistant professor of History at the University of Miami (Florida). He is author of various articles on natural philosophy in Renaissance Italy and on Aristotle's ethics in the Italian Renaissance (ca. 1300-1650): The Universities and the Problem of Moral Education. He has held various postdoctoral fellowships, including an Alexander von Humboldt research fellowship at the University of Munich.

BRUCE T. MORAN
Bruce T. Moran is professor of the History of Science and Medicine at the University of Nevada, Reno. He has focused primarily upon court science and patronage in the 16^th and 17^th centuries and is completing an introductory text: Alchemy, Chemistry, and the Scientific Revolution for Harvard University Press. Another text in progress deals with "Chemists and Cultures in Early Modern Germany," and is primarily focused on the writings of Andreas Libavius.

ADAM MOSLEY
Adam Mosley was elected a research fellow of Trinity College, Cambridge, in 1999. His doctoral thesis, submitted in 2000, concerned the astronomical community of the late-16^th century, particularly in relation to Tycho Brahe, and was entitled: Bearing the Heavens: Astronomers, Instruments, and the Communication of Astronomy in Early-Modern Europe. He continues to be interested in Tycho Brahe, and is also pursuing research at the intersection of history of the book, history of scientific instruments, and history of astronomy, with a wider temporal and geographical scope.

VÍCTOR NAVARRO-BROTÓNS
Víctor Navarro-Brotóns is professor of History of Science at the University of Valencia (Spain). He was coeditor of the Diccionario Histórico de la Ciencia Moderna en España (1983). His recent publications include: Matemáticas, cosmología y humanismo en la España del siglo XVI: la obra de Jerónimo Muñoz (1998) and Tradition and Scientific Change in Early Modern Spain: The Role of the Jesuits (2003). He is currently preparing a book on "Spain and the Scientific Revolution".

ISABELLE PANTIN
Isabelle Pantin is professor of Literature of the Renaissance at the Université Paris X - Nanterre and she participates in the research program on the History of Astronomy at the Observatoire de Paris. She published a book on the Renaissance cosmological poetry (La poésie du ciel en France, 1995) and critical editions (with French translations) of Galileo’s Sidereus nuncius and Kepler’s Dissertatio cum nuncio sidereo.

KLAAS VAN BERKEL
Klaas van Berkel obtained his PhD at Utrecht University in 1983; the topic of his dissertation was Isaac Beeckman (1588-1637) and the mechanization of the world picture. He taught History and History of Science at Utrecht University, the Agricultural College at Wageningen and the Dutch Open University, before being appointed professor of Modern History at the University of Groningen in 1988. His publications include a history of science in the Netherlands, a biography of E.J. Dijksterhuis and a volume of essays on the concept of the book of nature. With A. van Helden and L. Palm he edited A history of science in the Netherlands. Survey, themes and Reference (1999). He is a member of the Royal Netherlands Academy of Arts and Sciences.