G. J. Toomer was educated at Oxford and Brown Universities and is Professor Emeritus of the History of Mathematics at Brown University. He has published extensively on the history of mathematics and astronomy, and on seventeenth-century intellectual history. His most recent book is John Selden: a Life in Scholarship (Oxford, 2009)

• PrefaceList of FiguresPreliminary Note1 Early Years and Education (1613–1635)2 First Travels (1636–1639)3 In the East (June 1639–May 1641)4 English Interlude (October 1641–March 1642)5 Wanderings in the Netherlands and Denmark (April 1642–September 1643)6 Employment at Utrecht (October 1643–June 1644)7 Employment at Amsterdam (July 1644–May 1647)8 A Career in England (June 1647–January 1650)9 Appointment in Sweden (1649–1669)AppendicesAppendix A: Funeral Oration over RaviusAppendix B: Ravius’s Printed WorksAppendix C: The Date of Birth of RaviusAppendix D: Biography of Johann Raue SeniorAppendix E: Ravius’s 1630 School ExerciseAppendix F: Locations of Manuscripts Owned by RaviusAppendix G: Correspondence of Ravius Referenced in the TextBibliographyIndex

G. J. Toomer was educated at Oxford and Brown Universities and is Professor Emeritus of the History of Mathematics at Brown University. He has published extensively on the history of mathematics and astronomy, and on seventeenth-century intellectual history. His most recent book is John Selden: a Life in Scholarship (Oxford, 2009)

• PrefaceList of FiguresPreliminary Note1 Early Years and Education (1613–1635)2 First Travels (1636–1639)3 In the East (June 1639–May 1641)4 English Interlude (October 1641–March 1642)5 Wanderings in the Netherlands and Denmark (April 1642–September 1643)6 Employment at Utrecht (October 1643–June 1644)7 Employment at Amsterdam (July 1644–May 1647)8 A Career in England (June 1647–January 1650)9 Appointment in Sweden (1649–1669)AppendicesAppendix A: Funeral Oration over RaviusAppendix B: Ravius’s Printed WorksAppendix C: The Date of Birth of RaviusAppendix D: Biography of Johann Raue SeniorAppendix E: Ravius’s 1630 School ExerciseAppendix F: Locations of Manuscripts Owned by RaviusAppendix G: Correspondence of Ravius Referenced in the TextBibliographyIndex

G. J. Toomer was educated at Oxford and Brown Universities and is Professor Emeritus of the History of Mathematics at Brown University. He has published extensively on the history of mathematics and astronomy, and on seventeenth-century intellectual history. His most recent book is John Selden: a Life in Scholarship (Oxford, 2009)

• PrefaceList of FiguresPreliminary Note1 Early Years and Education (1613–1635)2 First Travels (1636–1639)3 In the East (June 1639–May 1641)4 English Interlude (October 1641–March 1642)5 Wanderings in the Netherlands and Denmark (April 1642–September 1643)6 Employment at Utrecht (October 1643–June 1644)7 Employment at Amsterdam (July 1644–May 1647)8 A Career in England (June 1647–January 1650)9 Appointment in Sweden (1649–1669)AppendicesAppendix A: Funeral Oration over RaviusAppendix B: Ravius’s Printed WorksAppendix C: The Date of Birth of RaviusAppendix D: Biography of Johann Raue SeniorAppendix E: Ravius’s 1630 School ExerciseAppendix F: Locations of Manuscripts Owned by RaviusAppendix G: Correspondence of Ravius Referenced in the TextBibliographyIndex