Spring Lecture Huub Rottgering Leave a reply Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: March 28, 2020 @ 2:00 pm – 3:00 pm 2020-03-28T14:00:00+01:00 2020-03-28T15:00:00+01:00 Where: Oude Sterrewacht Sterrenwachtlaan 11 Leiden Contact: Event website