Facebooker in the sixteenth century: Bonaventura Vulcanius Sixteenth- and seventeenth-century scholars developed their own ways of creating a social network. How did they communicate without modern social media like Facebook, Hyves and LinkedIn? Kasper van Ommen • October 07, 2010
Dante’s Inferno: the three-headed monster Lucifer In hell, ruling the gloomy world of the doomed, Lucifer is situated at the centre of the crust of ice where the worst of sinners are being punished. The devil's genitals constitute the exact Centrum Mundi. Anton van der Lem • August 20, 2010
Wigalois, a German Arthurian Hero The remarkable style of the miniatures, perhaps influenced by medieval tapestries, is clearly distinct from the contemporary Arthurian iconography, dominated by Parisian illuminators. André Bouwman • July 09, 2010
Rainer Maria Rilke, Die Aufzeichnungen des Malte Laurids Brigge The text wasn’t like anything readers had ever read before, not in as far as its content was concerned, nor in its structure. It seemed to belong more to the world of poetry than to that of prose. Jef Schaeps • June 04, 2010
Martianus Capella’s De nuptiis: a late antique bestseller in the ninth century The interest in Martianus's text was at a peak in the ninth century. Many copies were made, and the text was enriched with a thick layer of annotations (glosses): notes in tiny letters in the margins and in between the lines. Guest author • May 21, 2010
Bibliotheca Mathematica of David Bierens de Haan catalogued The collection comprises 56 portfolios, each with dozens of smaller publications, mainly in the field of mathematics, sciences and technique. Anton van der Lem • April 23, 2010
Four views on Leiden Jos Agasi's visualisation of the characteristic shape of the Leiden city centre gave surprising results. Martijn Storms • April 07, 2010
Give me your hand Palm reading or chiromancy has a long history: it was practised in ancient India and was in use among the ancient Greeks. Johannes Praetorius from Zetlingen, Germany, compiled several publications on the subject. Kasper van Ommen • March 26, 2010
Exhibition on the 400th anniversary of the invention of the telescope On 25 September 1608 Hans Lipperhey, an optician from Middelburg applied for a patent for a 'certain instrument to see far'. André Bouwman • March 12, 2010