Since 2012, Koen Quint (MD, PhD) is the secretary of the Historical Microscopy Foundation. In daily life, Koen is dermatologist at the Leiden University Medical Center (LUMC). One of his main interests concerns the dermatopathology. Koen is very interested in examining a tissue section by using a historical microscope and to experience how a historic microscopist made a diagnosis in the past. For the foundation, Koen is responsible for the acquisition and investigation of new collection items. Because of his enthusiasm, the collection has been expanded with more than 100 objects.