considered one of the most important 19th century German historians. Painter Emil Nolde (born Emil Hansen) from Nolde, now part of Denmark, called his father a North Frisian. For most of his life, Nolde lived in Seebüll near the Vidå river. Frederik Paulsen Sr, founder of Ferring Pharmaceuticals and the Ferring Foundation. Friede Springer (born 1942 in Oldsum) is a publisher and widow of Axel Springer. Theodor Storm is probably the most notable author from North Frisia. He was born in Husum. Ferdinand Tönnies (born in Oldenswort) was a major contributor to early sociology. Oskar Vogt (born in Husum) was a pioneer of modern neuroscience. References Works cited External links Nordfriisk Instituut, homepage of the North Frisian Institute. Information available in English. Regions of Schleswig-Holstein