Support Josine Kelling Deputy head of department Secretaries Suzanne Dollée Natascha Libanon Debbie Rietdijk (Technical) Support René Reudink Justin Pittman Niels Jansen The Ruisdael Observatory Andre Castro Gonçalves de Oliveira de Castro Caroline Kohlmann - van Noord Robert MacKenzie Gyz Meurs Share this page: Facebook Linkedin Twitter Email WhatsApp Share this page