Anton Willem Nieuwenhuis

Dutch ethnographer and physicist (1864–1953).

Anton Willem Nieuwenhuis (22 May 1864 – 21 September 1953) was a Dutch explorer and physician who travelled extensively in central Borneo in the 1890s, recording valuable ethnographic information about the Dayak people and making biological collections. Nieuwenhuis studied medicine at Leiden University from 1883 to 1889 and took his doctoral degree from the University of Freiburg in 1890. That year, he joined the armed forces to become a medical officer in the Royal Dutch East Indies Army, stationed in 1892 at Sambas, West Kalimantan. He participated in three major expeditions to parts of Bor