Schoenberg’s Space-Filling Curve

Isaac J. Schoenberg (1903–1990) was born in Galatz, Romania, and died in Madison, Wisconsin. He studied at the Universities of Jassy, Göttingen, and Berlin, and received his doctor’s degree from the University of Jassy in 1926. After emigrating to the United States in 1930, he held fellowships at the University of Chicago, Harvard, and the Institute for Advanced Studies at Princeton. From 1935 on, he held positions on the faculties of Swarthmore College, Colby College, and The University of Pennsylvania, where he became Professor in 1948, and the University of Wisconsin, from which he retired in 1973. From 1945 to 1946, he was chief of the Punched Card Section of the Computing Branch of the Ballistics Research Laboratory of the Aberdeen Proving Grounds. From 1965 until his retirement he held a joint appointment at the University of Wisconsin and the Army Research Center in Madison (Schoenberg [2], back cover.)