I organise the History of Mathematics Colloquium of the History Group of the Mathematics Department at the UU.

List of past talks:

• Marieke Gelderblom, “The graphic method in 19th-century Dutch statistics” (28 November 2025)
• Jan Hogendijk, “The manual on sundials by Taqi al-Din ibn Ma`ruf (ca. 1570)” (3 October 2025)
• Rienk Vermij, “Copernicanism and astrology in the work of Nicolaus Biesius” (1 August 2025)
• Michael Korey, presentation “Of wondrous planets and heavenly machines: Princely astronomy and innovative geared mechanisms in the 16th century” and workshop “BEHIND THE STARS – an interactive educational app for teaching naked-eye astronomy using historical astronomical instruments” (24 June 2025)
• Rob van Gent, “Predicting Eclipses in the Late Medieval and Early Modern Period” (21 February 2025)
• Frank Verbunt (24 January 2025)
• Anne van Weerden (13 December 2024)
• Jan Hogendijk, “Taqi al-Din's text on sundials” (8 November 2024)