The Inventive Hand of a Dutch Painter Jan van Nickelen was more than a mere practitioner of the Dutch Golden Age; he was a man of technical restlessness. Born in Haarlem in 1655, his early training was a direct inheritance from his father, Isaak van Nickelen. This was no casual apprenticeship. His father did not just teach him the brush; he provided the mathematical foundation of perspective that would define his spatial logic. Beyond…